Carex sylvatica Hudson (Q241)
Carex sylvatica is a taxon with the rank species within the section Carex sect. Hymenochlaenae
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Carex sylvatica Hudson
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Carex sylvatica is a taxon with the rank species within the section Carex sect. Hymenochlaenae
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Statements
taxon/id/Carex sylvatica Hudson
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Carex sylvatica Hudson
Carex sylvatica
Hudson
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
present
introduced
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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-ON
present
introduced
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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-ON
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US-NY
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US-NC
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Plants densely cespitose.
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Culms pale-brown to ivory at base, sometimes with a few brown fibrillose remains of previous year’s leaves, but not densely covered with fibrils;
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flowering-stems 25–110 (–200) cm, longer than leaves at maturity, 1–1.3 mm thick, glabrous.
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Leaves: sheaths glabrous, proximal ones ivory grading distally to light green, all bearing blades, pale hyaline on front;
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blades flat, (3–) 5.5–8.5 (–15) mm wide, glabrous on both surfaces, finely scabrous on margins.
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Inflorescences: peduncles of lateral spikes 5–20 mm, scabrous;
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peduncle of terminal spike less than 20 mm, scabrous;
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proximal bracts usually shorter than entire inflorescence;
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sheaths 20–100 mm;
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blades 2–3 mm wide.
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Lateral spikes: 3–5, 1 per node, the proximal well separated, erect to somewhat nodding, distal ones crowded near apex;
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proximal spikes pistillate with 15–40 spreading perigynia attached 1–1.5 mm apart, cylindric to elongate, 15–60 × 3–5 mm;
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distal spikes staminate or androgynous.
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Terminal spike staminate or androgynous with a few pistillate flowers at base, 15–40 × 2.5–3 mm.
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Pistillate scales white-hyaline with broad green midrib, oblong-lanceolate, shorter than mature perigynia, apex acute, cuspidate, or awned, glabrous.
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Perigynia green maturing to light-brown, conspicuously 2-ribbed but otherwise veinless except for short inconpicuous veins at base, substipitate, tightly enveloping achene, obovoid, 4.5–6 × 1.4–1.8 mm, membranous, apex abruptly narrowed to tubular beak, glabrous;
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beak bidentate, slender, 2–3 mm, teeth 1 mm.
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Achenes sessile, 2.2–2.6 × 1.2–1.5 mm. 2n = 58 (Czechoslovakia, Germany, Great Britain, Iberian Peninsula, Poland, Sweden)
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