Difference between revisions of "Tripleurospermum Schultz-Bipontinus (Q2121)"

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Property / accepted id
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Tripleurospermum Schultz-Bipontinus
Property / accepted id: Tripleurospermum Schultz-Bipontinus / rank
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Preferred rank
Property / accepted id: Tripleurospermum Schultz-Bipontinus / qualifier
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taxon name: Tripleurospermum
Property / accepted id: Tripleurospermum Schultz-Bipontinus / qualifier
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taxon authority: Schultz-Bipontinus
Property / accepted id: Tripleurospermum Schultz-Bipontinus / qualifier
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Property / accepted id: Tripleurospermum Schultz-Bipontinus / 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: Tripleurospermum Schultz-Bipontinus / qualifier
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taxon status: accepted
Property / accepted id: Tripleurospermum Schultz-Bipontinus / reference
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Property / taxon name
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Tripleurospermum
Property / taxon name: Tripleurospermum / rank
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Normal rank
Property / taxon name: Tripleurospermum / reference
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Property / taxon authority
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Schultz-Bipontinus
Property / taxon authority: Schultz-Bipontinus / rank
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Normal rank
Property / taxon authority: Schultz-Bipontinus / 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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1791
Property / VasCan taxon numeric id: 1791 / rank
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Normal rank
Property / VasCan taxon numeric id: 1791 / reference
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Property / parent taxon
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Property / parent taxon: Anthemidinae (Cassini) Dumortier / rank
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Normal rank
Property / parent taxon: Anthemidinae (Cassini) Dumortier / 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 / common name
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Mayweed (English)
Property / common name: Mayweed (English) / rank
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Normal rank
Property / common name: Mayweed (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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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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North Africa
Property / distribution: North Africa / rank
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Normal rank
Property / distribution: North Africa / reference
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Property / distribution
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in New Zealand
Property / distribution: in New Zealand / rank
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Normal rank
Property / distribution: in New Zealand / reference
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Property / distribution
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one species widespread as a weed
Property / distribution: one species widespread as a weed / rank
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Normal rank
Property / distribution: one species widespread as a weed / reference
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Property / taxon description fragment
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Stems 1–5+, usually erect or ascending, sometimes procumbent, branched or simple, glabrous or sparsely hairy (hairs basifixed).
Property / taxon description fragment: Stems 1–5+, usually erect or ascending, sometimes procumbent, branched or simple, glabrous or sparsely hairy (hairs basifixed). / rank
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Normal rank
Property / taxon description fragment: Stems 1–5+, usually erect or ascending, sometimes procumbent, branched or simple, glabrous or sparsely hairy (hairs basifixed). / reference
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Property / taxon description fragment
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petiolate or sessile;
Property / taxon description fragment: petiolate or sessile; / rank
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Normal rank
Property / taxon description fragment: petiolate or sessile; / reference
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Property / taxon description fragment
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blades oblong, 1–3-pinnately lobed, ultimate margins crenate or serrate, faces glabrous or sparsely hairy.
Property / taxon description fragment: blades oblong, 1–3-pinnately lobed, ultimate margins crenate or serrate, faces glabrous or sparsely hairy. / rank
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Normal rank
Property / taxon description fragment: blades oblong, 1–3-pinnately lobed, ultimate margins crenate or serrate, faces glabrous or sparsely hairy. / reference
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Property / taxon description fragment
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Heads radiate [discoid or disciform], borne singly or in corymbiform arrays.
Property / taxon description fragment: Heads radiate [discoid or disciform], borne singly or in corymbiform arrays. / rank
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Normal rank
Property / taxon description fragment: Heads radiate [discoid or disciform], borne singly or in corymbiform arrays. / reference
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Property / taxon description fragment
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Involucres hemispheric to patelliform, 8–12+ mm diam.
Property / taxon description fragment: Involucres hemispheric to patelliform, 8–12+ mm diam. / rank
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Normal rank
Property / taxon description fragment: Involucres hemispheric to patelliform, 8–12+ mm diam. / reference
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Property / taxon description fragment
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Phyllaries persistent, 28–60+ in 2–5 series, distinct, broadly ovate, unequal to subequal, margins and apices (pale to dark-brown or black) narrowly to widely scarious (abaxial faces glabrous).
Property / taxon description fragment: Phyllaries persistent, 28–60+ in 2–5 series, distinct, broadly ovate, unequal to subequal, margins and apices (pale to dark-brown or black) narrowly to widely scarious (abaxial faces glabrous). / rank
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Normal rank
Property / taxon description fragment: Phyllaries persistent, 28–60+ in 2–5 series, distinct, broadly ovate, unequal to subequal, margins and apices (pale to dark-brown or black) narrowly to widely scarious (abaxial faces glabrous). / reference
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Property / taxon description fragment
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Receptacles convex to conic (± solid), epaleate.
Property / taxon description fragment: Receptacles convex to conic (± solid), epaleate. / rank
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Normal rank
Property / taxon description fragment: Receptacles convex to conic (± solid), epaleate. / reference
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Property / taxon description fragment
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Ray-florets [0] 10–34+, pistillate, fertile;
Property / taxon description fragment: Ray-florets [0] 10–34+, pistillate, fertile; / rank
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Normal rank
Property / taxon description fragment: Ray-florets [0] 10–34+, pistillate, fertile; / reference
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Property / taxon description fragment
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corollas white [seldom pinkish], laminae mostly oblong.
Property / taxon description fragment: corollas white [seldom pinkish], laminae mostly oblong. / rank
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Normal rank
Property / taxon description fragment: corollas white [seldom pinkish], laminae mostly oblong. / reference
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Property / taxon description fragment
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Disc-florets 300–500, bisexual, fertile;
Property / taxon description fragment: Disc-florets 300–500, bisexual, fertile; / rank
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Normal rank
Property / taxon description fragment: Disc-florets 300–500, bisexual, fertile; / reference
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Property / taxon description fragment
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corollas yellow [greenish], tubes cylindric (sessile-glandular), throats narrowly campanulate (cylindric or compressed), lobes 5, deltate (with resin sacs).
Property / taxon description fragment: corollas yellow [greenish], tubes cylindric (sessile-glandular), throats narrowly campanulate (cylindric or compressed), lobes 5, deltate (with resin sacs). / rank
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Normal rank
Property / taxon description fragment: corollas yellow [greenish], tubes cylindric (sessile-glandular), throats narrowly campanulate (cylindric or compressed), lobes 5, deltate (with resin sacs). / reference
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Property / taxon description fragment
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Cypselae trigonous, ± compressed (apices truncate), ribs 3–5 (0–2 abaxial, 2 lateral, 1 adaxial, usually whitish, relatively thick, smooth), faces often rugose or tuberculate abaxially and between ribs and glabrous (pericarps sometimes with myxogenic cells and usually 2–3, sometimes 1–5, abaxial-apical resin sacs; embryo-sac development tetrasporic);
Property / taxon description fragment: Cypselae trigonous, ± compressed (apices truncate), ribs 3–5 (0–2 abaxial, 2 lateral, 1 adaxial, usually whitish, relatively thick, smooth), faces often rugose or tuberculate abaxially and between ribs and glabrous (pericarps sometimes with myxogenic cells and usually 2–3, sometimes 1–5, abaxial-apical resin sacs; embryo-sac development tetrasporic); / rank
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Normal rank
Property / taxon description fragment: Cypselae trigonous, ± compressed (apices truncate), ribs 3–5 (0–2 abaxial, 2 lateral, 1 adaxial, usually whitish, relatively thick, smooth), faces often rugose or tuberculate abaxially and between ribs and glabrous (pericarps sometimes with myxogenic cells and usually 2–3, sometimes 1–5, abaxial-apical resin sacs; embryo-sac development tetrasporic); / 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: 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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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 / 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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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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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 / 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 / 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: 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
 +
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 / reference
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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
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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 / 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
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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
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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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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 / 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
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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
 +
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: 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
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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 / 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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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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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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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: 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 / 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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morphology statement value: in corymbiform arrays
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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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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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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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
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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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Latest revision as of 12:48, 24 June 2022

Tripleurospermum is a taxon with the rank genus within the subtribe Anthemidinae
Language Label Description Also known as
English
Tripleurospermum Schultz-Bipontinus
Tripleurospermum is a taxon with the rank genus within the subtribe Anthemidinae

    Statements

    taxon/id/Tripleurospermum Schultz-Bipontinus
    0 references
    Tripleurospermum Schultz-Bipontinus
    Tripleurospermum
    Schultz-Bipontinus
    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
    Mayweed (English)
    North America
    Eurasia
    North Africa
    in New Zealand
    one species widespread as a weed
    Stems 1–5+, usually erect or ascending, sometimes procumbent, branched or simple, glabrous or sparsely hairy (hairs basifixed).
    petiolate or sessile;
    blades oblong, 1–3-pinnately lobed, ultimate margins crenate or serrate, faces glabrous or sparsely hairy.
    Heads radiate [discoid or disciform], borne singly or in corymbiform arrays.
    Involucres hemispheric to patelliform, 8–12+ mm diam.
    Phyllaries persistent, 28–60+ in 2–5 series, distinct, broadly ovate, unequal to subequal, margins and apices (pale to dark-brown or black) narrowly to widely scarious (abaxial faces glabrous).
    Receptacles convex to conic (± solid), epaleate.
    Ray-florets [0] 10–34+, pistillate, fertile;
    corollas white [seldom pinkish], laminae mostly oblong.
    Disc-florets 300–500, bisexual, fertile;
    corollas yellow [greenish], tubes cylindric (sessile-glandular), throats narrowly campanulate (cylindric or compressed), lobes 5, deltate (with resin sacs).
    Cypselae trigonous, ± compressed (apices truncate), ribs 3–5 (0–2 abaxial, 2 lateral, 1 adaxial, usually whitish, relatively thick, smooth), faces often rugose or tuberculate abaxially and between ribs and glabrous (pericarps sometimes with myxogenic cells and usually 2–3, sometimes 1–5, abaxial-apical resin sacs; embryo-sac development tetrasporic);