Carex phaeocephala Piper (Q346)
Carex phaeocephala is a taxon with the rank species within the section Carex sect. Ovales
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Carex phaeocephala Piper
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Carex phaeocephala is a taxon with the rank species within the section Carex sect. Ovales
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Statements
taxon/id/Carex phaeocephala Piper
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Carex phaeocephala Piper
Carex phaeocephala
Piper
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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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-AB
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CA-BC
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US-AK
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US-CA
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US-CO
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US-ID
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US-MT
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US-NV
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US-OR
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US-UT
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US-WA
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US-WY
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1200–4000 m
1,200 meter
4,000 meter
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Plants densely cespitose.
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Culms (5–) 15–45 cm.
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Leaves: sheaths adaxially white-hyaline, summits U-shaped or rounded, often prolonged to 2.5 (–3) mm beyond collar;
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distal ligules 1.5–2.5 (–3) mm;
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blades 3–5 per fertile culm, often channeled, occasionally folded, becoming trigonous toward tip, 5–20 cm × 1–2.5 (–3) mm, if not folded, margins revolute.
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Inflorescences usually dense, stiff, gold to brown or brown and green, 1.5–3.5 (–4) cm × 10–15 mm;
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proximal internode 4–10 mm;
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2d internode 2–5 mm;
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proximal bracts scalelike to bristlelike, shorter than inflorescences.
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Spikes (3–) 4–7, distant, distinct, ovoid to broadly ovoid, 12–15 × 5.5–8 mm, base rounded to attenuate, apex acute to truncate.
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Pistillate scales gold or brown, usually with pale to green midstripe, lanceolate to ovate, 3.7–5.1 mm, usually ± equaling and covering perigynia, margin white-hyaline, 0.1–0.3 mm wide, apex acute to acuminate.
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Anthers early deciduous or short-persistent.
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Perigynia ascending, greenish or pale gold to brown, conspicuously (0–) 4–9-veined abaxially, conspicuously 0 (–4) -veined adaxially, narrowly ovate to broadly ovate, flat or planoconvex, 3.8–5.2 × 1.5–2.3 mm, 0.4–0.5 mm thick, margin flat, including wing 0.3–0.5 mm wide, ciliate-serulate at least on distal body, not crinkled, without glossy metallic sheen;
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beak brown to redbrown or gold with white-hyaline tip, cylindric, unwinged, ± entire for 0.6 mm, abaxial suture with conspicuous white margin, distance from beak tip to achene 1.8–2.2 mm.
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(0-)4-9-veined
conspicuously; abaxially
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0(-4)-veined
conspicuously; adaxially
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narrowly ovate
broadly ovate flat or planoconvex
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narrowly ovate
broadly ovate flat or planoconvex
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