Carex acutiformis Ehrhart (Q368)
Carex acutiformis is a taxon with the rank species within the section Carex sect. Paludosae
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Carex acutiformis Ehrhart
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Carex acutiformis is a taxon with the rank species within the section Carex sect. Paludosae
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Statements
taxon/id/Carex acutiformis Ehrhart
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Carex acutiformis Ehrhart
Carex acutiformis
Ehrhart
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
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/
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rhizomes long-creeping.
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Culms central, coarse, trigonous, 55–130 cm, scabrous-angled.
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Leaves: basal sheaths pale green to brownish or red tinged;
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blades glaucous, M-shaped, (4.5–) 5.5–12 (–20) mm wide, glabrous.
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Inflorescences 15–35 cm;
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proximal 2–5 spikes pistillate, ascending;
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terminal 1–2 (–3) spikes staminate.
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Pistillate scales lanceolate, acute to acuminate, glabrous, at least the proximal with scabrous awn to 3.5 mm.
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Perigynia ascending, ± glaucous, often strongly red dotted, ± strongly 12–18-veined, thin-walled, narrowly ovoid, flattened-trigonous, 3–4.5 × 1.4–2.1 mm, glabrous;
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beak 0.3–0.6 mm, emarginate to weakly bidentulate, teeth to 0.2 mm. 2n = 78.
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pale green
brownish or red tinged
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red dotted
often strongly; strongly
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12-18-veined
more or less strongly
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