Carex deweyana Schweinitz (Q151)
Carex deweyana is a taxon with the rank species within the section Carex sect. Deweyanae
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| English |
Carex deweyana Schweinitz
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Carex deweyana is a taxon with the rank species within the section Carex sect. Deweyanae
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Statements
taxon/id/Carex deweyana Schweinitz
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Carex deweyana Schweinitz
Carex deweyana
Schweinitz
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-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NS
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CA-NT
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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CA-YT
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US-AK
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US-CO
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US-CT
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US-IL
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US-IA
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US-ME
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US-MA
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US-MI
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US-MN
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US-MT
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US-ND
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US-NH
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US-NJ
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US-NM
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US-NY
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US-OH
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US-PA
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US-SD
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US-VT
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US-WA
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US-WI
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US-WY
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Plants densely cespitose.
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Culms 14–89 (–101) cm × 0.3–1.1 mm wide, smooth or papillose.
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Leaves: ligule on distal leaf 0.9–2.2 mm, as long as wide;
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blades 0.6–4.2 mm wide, widest blade 2.4–4.2 mm wide.
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Inflorescences 12–56 mm;
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proximal internode 6–34 mm;
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proximal bracts 6–49 mm, awn 7–46 mm;
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spikes (2–) 3–5, longest ones 2–5, usually gynecandrous;
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proximal spikes with 1–2 staminate and (5–) 7–12 pistillate flowers, 5.2–11 (–13) × (2.1–) 3.7–6.9 mm;
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terminal spikes usually with 1–3 (–5) staminate and (7–) 9–13 (–16) pistillate flowers, 6.8–13 × 3.8–8.1 mm.
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Pistillate scales with colorless or stramineous margins, 3–4.5 × 1.6–2.2 mm, body 2.8–4.2 mm, apex acuminate to short-awned, awn to 0.6 mm.
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Staminate scales with colorless or stramineous margins, 3–5.3 × 1.2–1.6 mm, apex acute to acuminate or occasionally short-awned to 0.3 mm.
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Anthers (1.8–) 1.9–2.2 mm.
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Perigynia erect to ascending, green to pale-brown, 0–5-veined abaxially, usually veinless adaxially, narrowly ovate, 4–4.9 (–5.2) × 1.3–1.5 (–1.6) mm, 2.9–3.8 times as long as wide, apex gradually tapering;
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beak 1.4–2.1 mm, 0.32–0.4 times as long as perigynia, margins serrulate, apex entire or bidentulate, teeth to 0.2 mm, 0–0.05 times as long as perigynia.
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Stigmas 1.9–2 mm.
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Achenes 1.8–2.2 × 1.2–1.5 mm wide, 1.3–1.8 times as long as wide.
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acuminate or occasionally short-awned
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0.32-0.4 times as long as perigynia
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