Carex cephalophora Muhlenberg ex Willdenow (Q471)
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Carex cephalophora is a taxon with the rank species within the section Carex sect. Phaestoglochin
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| English |
Carex cephalophora Muhlenberg ex Willdenow
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Carex cephalophora is a taxon with the rank species within the section Carex sect. Phaestoglochin
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Statements
taxon/id/Carex cephalophora Muhlenberg ex Willdenow
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Carex cephalophora Muhlenberg ex Willdenow
Carex cephalophora
Muhlenberg ex Willdenow
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-ON
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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/
CA-QC
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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.
CA-ON
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CA-QC
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US-AL
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US-AR
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US-CT
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US-DE
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US-DC
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US-FL
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US-GA
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-ME
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US-MA
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US-MD
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US-MI
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US-MN
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US-MO
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US-NE
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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US-OK
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US-PA
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US-RI
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US-SC
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US-TN
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US-TX
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US-VT
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US-VA
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US-WV
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US-WI
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50–500 m
50 meter
500 meter
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Plants without conspicuous rhizomes.
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Culms 20–60 cm, 2–3.5 mm wide basally, 0.5–1 mm wide distally.
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Leaves: sheaths tight, green, rarely white spotted, fronts hyaline, slightly thickened at mouth;
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ligules to 5 mm, longer than wide;
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widest leaf-blades (1.9–) 2.5–5 mm wide.
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Inflorescences forming dense heads, with 3–8 spikes, 0.6–2 cm × 5–10 mm;
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proximal bracts 1–5 cm;
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spikes with 4–20 ascending to spreading perigynia.
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Pistillate scales hyaline with green midvein, ovate, 1–1.8 × 0.8–1.4 mm, body not more than 1/2 length of perigynium, apex acuminate to short-awned.
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Anthers 0.7–1.3 mm.
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Perigynia pale green to pale-yellow, veinless or to weakly 8-veined abaxially, 2.5–3.2 × 1.4–2 mm, body elliptic to circular, widest at 0.4–0.55 length of body, margins serrulate distally;
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beak 0.7–1.1 mm, apical teeth 0.3–0.5 mm.
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Achenes circular, 1 × 1 mm. 2n = 48.
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