Difference between revisions of "Carex preslii Steudel (Q348)"
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Latest revision as of 12:39, 24 June 2022
Carex preslii is a taxon with the rank species within the section Carex sect. Ovales
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Carex preslii Steudel
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Carex preslii is a taxon with the rank species within the section Carex sect. Ovales
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taxon/id/Carex preslii Steudel
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Carex preslii Steudel
Carex preslii
Steudel
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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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
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Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
CA-YT
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CA-AB
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CA-BC
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CA-YT
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US-AK
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US-CA
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US-ID
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US-MT
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US-OR
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US-WA
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1000–3400 m
1,000 meter
3,400 meter
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Plants densely cespitose.
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Leaves: sheath adaxially white-hyaline, summits U-shaped to rounded, often prolonged to 6 mm beyond collar;
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distal ligules 0.8–2.5 (–4) mm;
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blades (2–) 3–4 per fertile culm, 6–30 cm × 1.7–3.6 mm.
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Inflorescences dense or open, green and brown, gold, or brown, 1.4–3 cm × (5–) 8–15 mm, stiff, appearing coarse-textured;
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proximal internode 3–7 mm;
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2d internode 1–4 mm;
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proximal bracts usually aristate, shorter than inflorescences.
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Spikes 3–7, distant to loosely aggregated, usually individually distinct, narrowly to broadly ovoid, 7–10 × (3–) 4.5–7.5 mm, base rounded or attenuate, apex usually acute.
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Pistillate scales white, gold, redbrown, or chestnut-brown, usually with pale to green midstripe, ovate to broadly ovate, 2.8–3.7 mm, shorter or longer and narrower than perigynia, margin occasionally white, 0.1–0.2 (–0.5) mm wide, apex usually acute to acuminate.
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Perigynia appressed-ascending to ascending-spreading, green or gold, usually green toward beak, contrasting in color with pistillate scales, conspicuously 0–7-veined abaxially, conspicuously 0 (–5) -veined adaxially, thin, ovate to broadly ovate, planoconvex or, more often, biconvex, (3.3–) 3.5–4.3 × (1.3–) 1.5–2 mm, 0.5–0.6 (–0.8) mm thick, 2.1–2.7 times as long as wide, margin flat, including wing 0.2–0.4 mm wide, ciliate-serrulate at least on distal body, without metallic sheen;
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beak gold, gold-brown, redbrown, or brown at tip, flat, ± ciliate-serrulate or cylindric, unwinged, ± entire for 0.6 mm, abaxial suture usually inconspicuous, distance from beak tip to achene 1–2.4 mm.
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shorter or longer and narrower
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appressed-ascending
ascending-spreading
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0-7-veined
conspicuously; abaxially
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0(-5)-veined
conspicuously; adaxially
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ciliate-serrulate
more or less
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