Difference between revisions of "Cyperus houghtonii Torrey (Q3248)"

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(One intermediate revision by the same user not shown)
Property / common name
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Houghton’s flatsedge (English)
Property / common name: Houghton’s flatsedge (English) / rank
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Normal rank
Property / common name: Houghton’s flatsedge (English) / reference
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Property / distribution
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CA-MB
Property / distribution: CA-MB / rank
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Normal rank
Property / distribution: CA-MB / qualifier
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Property / distribution: CA-MB / qualifier
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Property / distribution: CA-MB / reference
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Property / distribution
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CA-ON
Property / distribution: CA-ON / rank
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Normal rank
Property / distribution: CA-ON / qualifier
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Property / distribution: CA-ON / qualifier
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Property / distribution: CA-ON / reference
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Property / distribution
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CA-QC
Property / distribution: CA-QC / rank
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Normal rank
Property / distribution: CA-QC / qualifier
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Property / distribution: CA-QC / qualifier
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Property / distribution: CA-QC / reference
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Property / distribution
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US-IL
Property / distribution: US-IL / rank
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Normal rank
Property / distribution: US-IL / qualifier
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Property / distribution: US-IL / qualifier
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Property / distribution: US-IL / reference
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Property / distribution
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US-IN
Property / distribution: US-IN / rank
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Normal rank
Property / distribution: US-IN / qualifier
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Property / distribution: US-IN / qualifier
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Property / distribution: US-IN / reference
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Property / distribution
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US-ME
Property / distribution: US-ME / rank
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Normal rank
Property / distribution: US-ME / qualifier
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Property / distribution: US-ME / qualifier
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Property / distribution: US-ME / reference
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Property / distribution
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US-MD
Property / distribution: US-MD / rank
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Normal rank
Property / distribution: US-MD / qualifier
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Property / distribution: US-MD / qualifier
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Property / distribution: US-MD / reference
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Property / distribution
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US-MA
Property / distribution: US-MA / rank
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Normal rank
Property / distribution: US-MA / qualifier
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Property / distribution: US-MA / qualifier
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Property / distribution: US-MA / reference
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Property / distribution
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US-MI
Property / distribution: US-MI / rank
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Normal rank
Property / distribution: US-MI / qualifier
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Property / distribution: US-MI / qualifier
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Property / distribution: US-MI / reference
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Property / distribution
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US-MN
Property / distribution: US-MN / rank
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Normal rank
Property / distribution: US-MN / qualifier
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Property / distribution: US-MN / qualifier
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Property / distribution: US-MN / reference
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Property / distribution
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US-NH
Property / distribution: US-NH / rank
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Normal rank
Property / distribution: US-NH / qualifier
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Property / distribution: US-NH / qualifier
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Property / distribution: US-NH / reference
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Property / distribution
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US-NJ
Property / distribution: US-NJ / rank
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Normal rank
Property / distribution: US-NJ / qualifier
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Property / distribution: US-NJ / qualifier
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Property / distribution: US-NJ / reference
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Property / distribution
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US-NY
Property / distribution: US-NY / rank
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Normal rank
Property / distribution: US-NY / qualifier
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Property / distribution: US-NY / qualifier
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Property / distribution: US-NY / reference
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Property / distribution
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US-OH
Property / distribution: US-OH / rank
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Normal rank
Property / distribution: US-OH / qualifier
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Property / distribution: US-OH / qualifier
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Property / distribution: US-OH / reference
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Property / distribution
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US-PA
Property / distribution: US-PA / rank
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Normal rank
Property / distribution: US-PA / qualifier
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Property / distribution: US-PA / qualifier
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Property / distribution: US-PA / reference
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Property / distribution
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US-VT
Property / distribution: US-VT / rank
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Normal rank
Property / distribution: US-VT / qualifier
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Property / distribution: US-VT / qualifier
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Property / distribution: US-VT / reference
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Property / distribution
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US-VA
Property / distribution: US-VA / rank
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Normal rank
Property / distribution: US-VA / qualifier
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Property / distribution: US-VA / qualifier
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Property / distribution: US-VA / reference
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Property / distribution
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US-WV
Property / distribution: US-WV / rank
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Normal rank
Property / distribution: US-WV / qualifier
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Property / distribution: US-WV / qualifier
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Property / distribution: US-WV / reference
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Property / distribution
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US-WI
Property / distribution: US-WI / rank
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Normal rank
Property / distribution: US-WI / qualifier
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Property / distribution: US-WI / qualifier
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Property / distribution: US-WI / reference
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Property / taxon habitat
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riverbanks
Property / taxon habitat: riverbanks / rank
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Normal rank
Property / taxon habitat: riverbanks / reference
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Property / taxon habitat
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sand bars
Property / taxon habitat: sand bars / rank
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Normal rank
Property / taxon habitat: sand bars / reference
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Property / taxon habitat
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lakeshores
Property / taxon habitat: lakeshores / rank
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Normal rank
Property / taxon habitat: lakeshores / reference
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Property / taxon habitat
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sand dunes
Property / taxon habitat: sand dunes / rank
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Normal rank
Property / taxon habitat: sand dunes / reference
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Property / taxon habitat
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sandy openings
Property / taxon habitat: sandy openings / rank
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Normal rank
Property / taxon habitat: sandy openings / reference
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Property / taxon habitat
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woods
Property / taxon habitat: woods / rank
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Normal rank
Property / taxon habitat: woods / reference
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Property / taxon habitat
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jack pines
Property / taxon habitat: jack pines / rank
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Normal rank
Property / taxon habitat: jack pines / reference
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Property / elevation
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0–1100 m
Property / elevation: 0–1100 m / rank
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Normal rank
Property / elevation: 0–1100 m / reference
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Property / special status
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F
Property / special status: F / rank
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Normal rank
Property / special status: F / reference
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Property / special status
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E
Property / special status: E / rank
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Normal rank
Property / special status: E / reference
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Property / taxon description fragment
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Herbs, perennial, cespitose, bases cormose, rhizomatous.
Property / taxon description fragment: Herbs, perennial, cespitose, bases cormose, rhizomatous. / rank
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Normal rank
Property / taxon description fragment: Herbs, perennial, cespitose, bases cormose, rhizomatous. / reference
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Property / taxon description fragment
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Culms trigonous, 5–50 cm × 0.5–1.5 mm, glabrous.
Property / taxon description fragment: Culms trigonous, 5–50 cm × 0.5–1.5 mm, glabrous. / rank
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Normal rank
Property / taxon description fragment: Culms trigonous, 5–50 cm × 0.5–1.5 mm, glabrous. / reference
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Property / taxon description fragment
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Leaves V-shaped, 12–30 cm × 1–6 mm.
Property / taxon description fragment: Leaves V-shaped, 12–30 cm × 1–6 mm. / rank
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Normal rank
Property / taxon description fragment: Leaves V-shaped, 12–30 cm × 1–6 mm. / reference
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Property / taxon description fragment
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Inflorescences: spikes ± globose to broadly ovoid, 8–20 mm wide;
Property / taxon description fragment: Inflorescences: spikes ± globose to broadly ovoid, 8–20 mm wide; / rank
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Normal rank
Property / taxon description fragment: Inflorescences: spikes ± globose to broadly ovoid, 8–20 mm wide; / reference
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Property / taxon description fragment
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rays 1–8 cm;
Property / taxon description fragment: rays 1–8 cm; / rank
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Normal rank
Property / taxon description fragment: rays 1–8 cm; / reference
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Property / taxon description fragment
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rachis 2–5 mm, glabrous;
Property / taxon description fragment: rachis 2–5 mm, glabrous; / rank
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Normal rank
Property / taxon description fragment: rachis 2–5 mm, glabrous; / reference
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Property / taxon description fragment
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bracts 3–8, weakly ascending, flat, 3–20 cm × 1–3.5 mm;
Property / taxon description fragment: bracts 3–8, weakly ascending, flat, 3–20 cm × 1–3.5 mm; / rank
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Normal rank
Property / taxon description fragment: bracts 3–8, weakly ascending, flat, 3–20 cm × 1–3.5 mm; / reference
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Property / taxon description fragment
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Spikelets 3–18, compressed, ovoid to oblong-lanceoloid, 4–15 × 2.6–3.4 mm;
Property / taxon description fragment: Spikelets 3–18, compressed, ovoid to oblong-lanceoloid, 4–15 × 2.6–3.4 mm; / rank
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Normal rank
Property / taxon description fragment: Spikelets 3–18, compressed, ovoid to oblong-lanceoloid, 4–15 × 2.6–3.4 mm; / reference
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Property / taxon description fragment
 +
floral scales deciduous, 3–18, laterally stramineous to reddish-brown, laterally 3–4-ribbed, broadly ovate, 1.8–2.5 × 1.3–1.6 mm, apex with mucro 0.1–0.2 mm.
Property / taxon description fragment: floral scales deciduous, 3–18, laterally stramineous to reddish-brown, laterally 3–4-ribbed, broadly ovate, 1.8–2.5 × 1.3–1.6 mm, apex with mucro 0.1–0.2 mm. / rank
 +
Normal rank
Property / taxon description fragment: floral scales deciduous, 3–18, laterally stramineous to reddish-brown, laterally 3–4-ribbed, broadly ovate, 1.8–2.5 × 1.3–1.6 mm, apex with mucro 0.1–0.2 mm. / reference
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Property / taxon description fragment
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Flowers: anthers 0.5–0.7 mm;
Property / taxon description fragment: Flowers: anthers 0.5–0.7 mm; / rank
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Normal rank
Property / taxon description fragment: Flowers: anthers 0.5–0.7 mm; / reference
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Property / taxon description fragment
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styles 0.4–0.6 mm;
Property / taxon description fragment: styles 0.4–0.6 mm; / rank
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Normal rank
Property / taxon description fragment: styles 0.4–0.6 mm; / reference
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Property / taxon description fragment
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stigmas 1–1.5 mm.
Property / taxon description fragment: stigmas 1–1.5 mm. / rank
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Normal rank
Property / taxon description fragment: stigmas 1–1.5 mm. / reference
 +
Property / taxon description fragment
 +
Achenes dark-brown, sessile, broadly ellipsoid, 1.5–2 × 1–1.5 mm, apex obtuse, apiculate, surface glabrous, puncticulate, or papillose.
Property / taxon description fragment: Achenes dark-brown, sessile, broadly ellipsoid, 1.5–2 × 1–1.5 mm, apex obtuse, apiculate, surface glabrous, puncticulate, or papillose. / rank
 +
Normal rank
Property / taxon description fragment: Achenes dark-brown, sessile, broadly ellipsoid, 1.5–2 × 1–1.5 mm, apex obtuse, apiculate, surface glabrous, puncticulate, or papillose. / reference
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Property / taxon description fragment
 +
2n = 168, 170, 172.
Property / taxon description fragment: 2n = 168, 170, 172. / rank
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Normal rank
Property / taxon description fragment: 2n = 168, 170, 172. / 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
 +
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
 +
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: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
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
 +
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
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple 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
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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
 +
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 / 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: 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
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Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple 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
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Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
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: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
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
 +
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
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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
 +
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
 +
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
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple 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
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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
 +
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
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Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
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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
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple 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
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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
 +
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
 +
morphology statement value from: laterally stramineous
Property / morphology statement: range morphology value / qualifier
 +
Property / morphology statement: range morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / reference
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple morphology value / qualifier
 +
Property / morphology statement: simple 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
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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
 +
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
 +
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
 +
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
 +
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
 +
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
 +
Property / morphology statement
 +
Property / morphology statement: simple morphology value / rank
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
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
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
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Property / morphology statement: simple morphology value / qualifier
 +
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
 +
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
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
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
 +
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
 +
Normal rank
Property / morphology statement: simple morphology value / qualifier
 +
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
 +
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
 +
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 / 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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Latest revision as of 12:37, 24 June 2022

Cyperus houghtonii is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
Language Label Description Also known as
English
Cyperus houghtonii Torrey
Cyperus houghtonii is a taxon with the rank species within the subgenus Cyperus subg. Juncellus

    Statements

    taxon/id/Cyperus houghtonii Torrey
    0 references
    Cyperus houghtonii Torrey
    Cyperus houghtonii
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    souchet de Houghton (French)
    Houghton's flatsedge (English)
    Houghton's cyperus (English)
    Houghton's umbrella sedge (English)
    Houghton’s flatsedge (English)
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    riverbanks
    sand bars
    lakeshores
    sand dunes
    sandy openings
    jack pines
    Herbs, perennial, cespitose, bases cormose, rhizomatous.
    Culms trigonous, 5–50 cm × 0.5–1.5 mm, glabrous.
    Leaves V-shaped, 12–30 cm × 1–6 mm.
    Inflorescences: spikes ± globose to broadly ovoid, 8–20 mm wide;
    rachis 2–5 mm, glabrous;
    bracts 3–8, weakly ascending, flat, 3–20 cm × 1–3.5 mm;
    Spikelets 3–18, compressed, ovoid to oblong-lanceoloid, 4–15 × 2.6–3.4 mm;
    floral scales deciduous, 3–18, laterally stramineous to reddish-brown, laterally 3–4-ribbed, broadly ovate, 1.8–2.5 × 1.3–1.6 mm, apex with mucro 0.1–0.2 mm.
    Flowers: anthers 0.5–0.7 mm;
    styles 0.4–0.6 mm;
    stigmas 1–1.5 mm.
    Achenes dark-brown, sessile, broadly ellipsoid, 1.5–2 × 1–1.5 mm, apex obtuse, apiculate, surface glabrous, puncticulate, or papillose.
    2n = 168, 170, 172.