Carex proposita Mackenzie in N. L. Britton et al. (Q350)
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Carex proposita is a taxon with the rank species within the section Carex sect. Ovales
| Language | Label | Description | Also known as |
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| English |
Carex proposita Mackenzie in N. L. Britton et al.
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Carex proposita is a taxon with the rank species within the section Carex sect. Ovales
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Statements
taxon/id/Carex proposita Mackenzie
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Carex proposita Mackenzie
Carex proposita
Mackenzie
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
US-CA
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US-ID
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US-WA
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2400–4100 m
2,400 meter
4,100 meter
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Plants densely cespitose.
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Leaves: sheath adaxially white-hyaline, summits U-shaped;
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distal ligules 0.9–2 mm;
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blades 2–4 (–5) per fertile culm, occasionally folded, 6–20 cm × (0.5–) 1–2 (–2.5) mm, if not folded, margins revolute.
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Inflorescences dense or open, gold to dark-brown, 1.7–3 cm × 11–18 mm;
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proximal internode 4–8.6 mm;
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2d internode 1.5–3.5 mm;
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proximal bracts usually scalelike or bristlelike, occasionally leaflike, shorter than inflorescences.
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Spikes 3–6, distant to loosely aggregated, distinct or individually indistinct, broadly ovoid, 10–15 × 7–9 mm, base acute to attenuate, apex rounded.
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Pistillate scales gold or reddish to dark-brown, with pale midstripe, lanceolate to ovate, 3.5–4.8 mm, usually shorter than and 1/3–1/2 width of perigynia, margin white, 0–0.2 mm wide, apex obtuse to acuminate.
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Anthers long-persistent.
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conspicuously 3–11-veined abaxially, conspicuously 0–13-veined adaxially, broadly ovate, usually flat, 4.3–6.3 × 2–3 mm, 0.25–0.5 mm thick, margin flat, including wing 0.4–0.9 mm wide, edge often minutely crinkled;
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beak redbrown or brown, usually white-hyaline at tip, cylindric, unwinged, ± entire for (0.3–) 0.5–0.9 mm, ciliate-serrulate at least on distal body, abaxial suture inconspicuous or with conspicuous white margin, distance from beak tip to achene (1.9–) 2.2–3.7 mm.
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Achenes elliptic, 1.5–2.1 × 0.75–1.1 (–1.3) mm, 0.25–0.5 mm thick.
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1/3 width of perigynia
1/2 width of perigynia
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3-11-veined
conspicuously; abaxially
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0-13-veined
conspicuously; adaxially
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with conspicuous white margin
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