Difference between revisions of "Lactuca Linnaeus (Q3125)"

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Property / accepted id
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Lactuca Linnaeus
Property / accepted id: Lactuca Linnaeus / rank
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Preferred rank
Property / accepted id: Lactuca Linnaeus / qualifier
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taxon name: Lactuca
Property / accepted id: Lactuca Linnaeus / qualifier
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taxon authority: Linnaeus
Property / accepted id: Lactuca Linnaeus / qualifier
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Property / accepted id: Lactuca Linnaeus / qualifier
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publication: FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
Property / accepted id: Lactuca Linnaeus / qualifier
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taxon status: accepted
Property / accepted id: Lactuca Linnaeus / reference
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Property / taxon name
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Lactuca
Property / taxon name: Lactuca / rank
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Normal rank
Property / taxon name: Lactuca / reference
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Property / taxon authority
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Linnaeus
Property / taxon authority: Linnaeus / rank
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Normal rank
Property / taxon authority: Linnaeus / reference
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Property / taxon rank
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Property / taxon rank: genus / rank
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Normal rank
Property / taxon rank: genus / reference
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Property / taxon status
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accepted
Property / taxon status: accepted / rank
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Normal rank
Property / taxon status: accepted / reference
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Property / VasCan taxon numeric id
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1312
Property / VasCan taxon numeric id: 1312 / rank
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Normal rank
Property / VasCan taxon numeric id: 1312 / reference
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Property / parent taxon
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Property / parent taxon: Cichorieae / rank
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Normal rank
Property / parent taxon: Cichorieae / reference
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Property / taxon habit
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herb
Property / taxon habit: herb / rank
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Normal rank
Property / taxon habit: herb / reference
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Property / GBIF taxon key
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3140231
Property / GBIF taxon key: 3140231 / rank
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Normal rank
Property / GBIF taxon key: 3140231 / reference
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Property / IUCN Redlist Category
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NE
Property / IUCN Redlist Category: NE / rank
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Normal rank
Property / IUCN Redlist Category: NE / reference
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Property / common name
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Lettuce (English)
Property / common name: Lettuce (English) / rank
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Normal rank
Property / common name: Lettuce (English) / reference
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Property / common name
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laitue (English)
Property / common name: laitue (English) / rank
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Normal rank
Property / common name: laitue (English) / reference
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Property / distribution
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North America
Property / distribution: North America / rank
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Normal rank
Property / distribution: North America / reference
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Property / distribution
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Mexico
Property / distribution: Mexico / rank
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Normal rank
Property / distribution: Mexico / reference
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Property / distribution
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Central America
Property / distribution: Central America / rank
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Normal rank
Property / distribution: Central America / reference
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Property / distribution
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Eurasia
Property / distribution: Eurasia / rank
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Normal rank
Property / distribution: Eurasia / reference
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Property / distribution
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Africa
Property / distribution: Africa / rank
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Normal rank
Property / distribution: Africa / reference
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Property / taxon description fragment
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Stems usually 1, usually erect, branched distally or throughout, glabrous or hairy (sometimes hispid to setose).
Property / taxon description fragment: Stems usually 1, usually erect, branched distally or throughout, glabrous or hairy (sometimes hispid to setose). / rank
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Normal rank
Property / taxon description fragment: Stems usually 1, usually erect, branched distally or throughout, glabrous or hairy (sometimes hispid to setose). / reference
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Property / taxon description fragment
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sessile or petiolate;
Property / taxon description fragment: sessile or petiolate; / rank
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Normal rank
Property / taxon description fragment: sessile or petiolate; / reference
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Property / taxon description fragment
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blades orbiculate, ovate, oblong, or lanceolate to oblanceolate, linear, or filiform, margins entire or denticulate to pinnately lobed (faces glabrous or hairy, often ± setose).
Property / taxon description fragment: blades orbiculate, ovate, oblong, or lanceolate to oblanceolate, linear, or filiform, margins entire or denticulate to pinnately lobed (faces glabrous or hairy, often ± setose). / rank
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Normal rank
Property / taxon description fragment: blades orbiculate, ovate, oblong, or lanceolate to oblanceolate, linear, or filiform, margins entire or denticulate to pinnately lobed (faces glabrous or hairy, often ± setose). / reference
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Property / taxon description fragment
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Heads borne singly or in corymbiform to paniculiform arrays.
Property / taxon description fragment: Heads borne singly or in corymbiform to paniculiform arrays. / rank
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Normal rank
Property / taxon description fragment: Heads borne singly or in corymbiform to paniculiform arrays. / reference
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Property / taxon description fragment
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Peduncles not inflated distally, sometimes bracteate.
Property / taxon description fragment: Peduncles not inflated distally, sometimes bracteate. / rank
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Normal rank
Property / taxon description fragment: Peduncles not inflated distally, sometimes bracteate. / reference
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Property / taxon description fragment
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Calyculi of 3–10+, deltate to lanceolate bractlets in 2–3 series (sometimes intergrading with phyllaries).
Property / taxon description fragment: Calyculi of 3–10+, deltate to lanceolate bractlets in 2–3 series (sometimes intergrading with phyllaries). / rank
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Normal rank
Property / taxon description fragment: Calyculi of 3–10+, deltate to lanceolate bractlets in 2–3 series (sometimes intergrading with phyllaries). / reference
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Property / taxon description fragment
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Involucres campanulate to cylindric, 2–5 [–8+] mm diam.
Property / taxon description fragment: Involucres campanulate to cylindric, 2–5 [–8+] mm diam. / rank
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Normal rank
Property / taxon description fragment: Involucres campanulate to cylindric, 2–5 [–8+] mm diam. / reference
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Property / taxon description fragment
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Phyllaries 5–13+ in ± 2 series (erect or reflexed in fruit), lanceolate to linear, usually subequal to equal, margins sometimes scarious, apices obtuse to acute.
Property / taxon description fragment: Phyllaries 5–13+ in ± 2 series (erect or reflexed in fruit), lanceolate to linear, usually subequal to equal, margins sometimes scarious, apices obtuse to acute. / rank
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Normal rank
Property / taxon description fragment: Phyllaries 5–13+ in ± 2 series (erect or reflexed in fruit), lanceolate to linear, usually subequal to equal, margins sometimes scarious, apices obtuse to acute. / reference
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Property / taxon description fragment
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Receptacles flat to convex, pitted, glabrous, epaleate.
Property / taxon description fragment: Receptacles flat to convex, pitted, glabrous, epaleate. / rank
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Normal rank
Property / taxon description fragment: Receptacles flat to convex, pitted, glabrous, epaleate. / reference
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Property / taxon description fragment
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Florets 6–50+;
Property / taxon description fragment: Florets 6–50+; / rank
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Normal rank
Property / taxon description fragment: Florets 6–50+; / reference
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Property / taxon description fragment
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corollas yellow, bluish, or whitish.
Property / taxon description fragment: corollas yellow, bluish, or whitish. / rank
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Normal rank
Property / taxon description fragment: corollas yellow, bluish, or whitish. / reference
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Property / taxon description fragment
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Cypselae reddish-brown, tan, whitish, or purplish to blackish, bodies compressed to flattened, elliptic to oblong, beaks stout (0.1–1 mm, gradually or weakly set off from bodies) or filiform (2–6 mm, sharply set off from bodies), ribs 1–9 on each face, faces often transversely rugulose, usually glabrous;
Property / taxon description fragment: Cypselae reddish-brown, tan, whitish, or purplish to blackish, bodies compressed to flattened, elliptic to oblong, beaks stout (0.1–1 mm, gradually or weakly set off from bodies) or filiform (2–6 mm, sharply set off from bodies), ribs 1–9 on each face, faces often transversely rugulose, usually glabrous; / rank
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Normal rank
Property / taxon description fragment: Cypselae reddish-brown, tan, whitish, or purplish to blackish, bodies compressed to flattened, elliptic to oblong, beaks stout (0.1–1 mm, gradually or weakly set off from bodies) or filiform (2–6 mm, sharply set off from bodies), ribs 1–9 on each face, faces often transversely rugulose, usually glabrous; / reference
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Property / taxon description fragment
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pappi persistent (borne on discs at tips of cypselae or beaks), obscurely double (spp. 1–2), each a minute, erose corona 0.05–0.2 mm subtending 40–80+, white or fuscous, ± equal, barbellate to barbellulate bristles in 1–2 series, or simple (spp. 3–10) of 80–120+, white, ± equal, barbellulate to nearly smooth bristles in 2–3+ series.
Property / taxon description fragment: pappi persistent (borne on discs at tips of cypselae or beaks), obscurely double (spp. 1–2), each a minute, erose corona 0.05–0.2 mm subtending 40–80+, white or fuscous, ± equal, barbellate to barbellulate bristles in 1–2 series, or simple (spp. 3–10) of 80–120+, white, ± equal, barbellulate to nearly smooth bristles in 2–3+ series. / rank
 +
Normal rank
Property / taxon description fragment: pappi persistent (borne on discs at tips of cypselae or beaks), obscurely double (spp. 1–2), each a minute, erose corona 0.05–0.2 mm subtending 40–80+, white or fuscous, ± equal, barbellate to barbellulate bristles in 1–2 series, or simple (spp. 3–10) of 80–120+, white, ± equal, barbellulate to nearly smooth bristles in 2–3+ series. / reference
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Property / taxon description fragment
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x = 9.
Property / taxon description fragment: x = 9. / rank
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Normal rank
Property / taxon description fragment: x = 9. / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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morphology statement value to: oblanceolate linear or filiform
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
 +
morphology statement value to: oblanceolate linear or filiform
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
 +
morphology statement value to: oblanceolate linear or filiform
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / qualifier
 +
morphology statement value to: oblanceolate linear or filiform
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: range morphology value / rank
 +
Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Normal rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
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Normal rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement: range morphology value / rank
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Normal rank
Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / qualifier
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morphology statement value: in corymbiform to paniculiform arrays
Property / morphology statement: simple morphology value / reference
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: simple morphology value / rank
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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morphology statement value to: flattened elliptic
Property / morphology statement: range morphology value / reference
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Property / morphology statement
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Property / morphology statement: range morphology value / rank
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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Property / morphology statement: range morphology value / qualifier
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morphology statement value to: flattened elliptic
Property / morphology statement: range morphology value / reference
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Latest revision as of 12:46, 24 June 2022

Lactuca is a taxon with the rank genus within the tribe Cichorieae
Language Label Description Also known as
English
Lactuca Linnaeus
Lactuca is a taxon with the rank genus within the tribe Cichorieae

    Statements

    taxon/id/Lactuca Linnaeus
    0 references
    Lactuca Linnaeus
    Lactuca
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    Lettuce (English)
    laitue (English)
    North America
    Mexico
    Central America
    Eurasia
    Africa
    Stems usually 1, usually erect, branched distally or throughout, glabrous or hairy (sometimes hispid to setose).
    sessile or petiolate;
    blades orbiculate, ovate, oblong, or lanceolate to oblanceolate, linear, or filiform, margins entire or denticulate to pinnately lobed (faces glabrous or hairy, often ± setose).
    Heads borne singly or in corymbiform to paniculiform arrays.
    Peduncles not inflated distally, sometimes bracteate.
    Calyculi of 3–10+, deltate to lanceolate bractlets in 2–3 series (sometimes intergrading with phyllaries).
    Involucres campanulate to cylindric, 2–5 [–8+] mm diam.
    Phyllaries 5–13+ in ± 2 series (erect or reflexed in fruit), lanceolate to linear, usually subequal to equal, margins sometimes scarious, apices obtuse to acute.
    Receptacles flat to convex, pitted, glabrous, epaleate.
    corollas yellow, bluish, or whitish.
    Cypselae reddish-brown, tan, whitish, or purplish to blackish, bodies compressed to flattened, elliptic to oblong, beaks stout (0.1–1 mm, gradually or weakly set off from bodies) or filiform (2–6 mm, sharply set off from bodies), ribs 1–9 on each face, faces often transversely rugulose, usually glabrous;
    pappi persistent (borne on discs at tips of cypselae or beaks), obscurely double (spp. 1–2), each a minute, erose corona 0.05–0.2 mm subtending 40–80+, white or fuscous, ± equal, barbellate to barbellulate bristles in 1–2 series, or simple (spp. 3–10) of 80–120+, white, ± equal, barbellulate to nearly smooth bristles in 2–3+ series.