Carex alata Torrey (Q315)
Carex alata is a taxon with the rank species within the section Carex sect. Ovales
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Carex alata Torrey
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Carex alata is a taxon with the rank species within the section Carex sect. Ovales
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Statements
taxon/id/Carex alata Torrey
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Carex alata Torrey
Carex alata
Torrey
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-NB
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CA-ON
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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-KY
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US-LA
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US-MD
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US-MA
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US-MI
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US-MO
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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-VA
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Plants densely cespitose.
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Leaves: sheaths adaxially conspicuously green-veined nearly to collar, narrow hyaline band or sharp Y-shaped region at collar, adaxially firm, sometimes papillose, summits U-shaped;
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distal ligules 2.8–8 mm;
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blades 3–7 per fertile culm, 11–50 cm × 2.5–6 mm.
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Inflorescences dense or open, pale green or brown, 2–6.5 cm × 7–20 mm;
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proximal internode 3–13 mm;
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2d internode 4–10 mm;
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proximal bracts scalelike with bristle tips shorter than inflorescences.
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Spikes 3–11, distant, distinct, ellipsoid to ovoid, 6–20 × 4–9 mm, base rounded or short-acute, apex broadly acute to obtuse.
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Pistillate scales white-hyaline or tan, with green midstripe extending to tip, lanceolate, 2.8–3.5 (–3.8) mm, shorter or longer and much narrower than perigynia, apex firm, acuminate or awned to 0.8 mm.
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Perigynia ± spreading, light or golden brown, faintly 3–8-veined on each face, obovate, flat except over achene, 4–5.5 × 2.5–3.8 mm, 0.4–0.5 mm thick, margin flat, including wing 0.8–1.5 mm wide;
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beak light-brown at tip, flat, 0.85–2.2 mm, ciliate-serrulate, abaxial suture with light-brown margin, distance from beak tip to achene 1.8–3 mm.
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green-veined
adaxially conspicuously
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