Carex communis L. H. Bailey (Q60)
Carex communis is a taxon with the rank species within the section Carex sect. Acrocystis
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| English |
Carex communis L. H. Bailey
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Carex communis is a taxon with the rank species within the section Carex sect. Acrocystis
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Statements
taxon/id/Carex communis L.H. Bailey
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Carex communis L.H. Bailey
Carex communis
L.H. Bailey
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-NB
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CA-NS
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CA-ON
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CA-QC
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US-AR
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US-CT
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US-DE
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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-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-NC
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US-NH
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US-NJ
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US-NY
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US-OH
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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-VA
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US-VT
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US-WV
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US-WI
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Plants densely cespitose;
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rhizomes ascending, reddish-brown to purplish brown, 0–3 mm, stout or absent.
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Culms 20–60 cm, scabrous distally;
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bases (remnants of old leaves) slightly or not fibrous.
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Leaf-blades green, 1.8–5 mm wide, widest leaves 3+ mm wide, herbaceous, papillose to scabrous abaxially, papillose to scabrous adaxially.
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Inflorescences usually with both staminate and pistillate spikes, rarely only pistillate;
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peduncle of staminate spike 0.7–9.7 mm;
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proximal nonbasal bracts leaflike, usually shorter than inflorescences.
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Spikes: proximal pistillate spikes 2–3 (basal spike 0);
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cauline spikes usually clearly separated, with 3–10 perigynia;
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staminate spikes 3.1–15.5 × 1–2.5 mm.
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Scales: pistillate scales pale-brown to dark reddish-brown, often with broad white margins, ovate to lanceolate, 2.5–4.8 × 1.2–2 mm, shorter than to exceeding perigynia, apex obtuse to acuminate or short-awned;
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staminate scales elliptic to obovate, 3.1–5.2 × 0.7–2.2 mm, apex obtuse to acuminate or short-aristate.
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Anthers 1.8–3 mm.
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Perigynia pale green, veinless, globose to obovoid, 2.7–3.8 × 1.2–2.6 mm, as long as wide;
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beak usually straight, occasionally slightly bent, pale green, 0.5–2.3 mm, weakly ciliate-serrulate, apical teeth 0.1–0.5 mm.
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Achenes pale-brown, globose to obovoid, round to obtusely trigonous in cross-section, 1.4–2.3 × 1–1.4 mm.
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papillose
scabrous abaxially
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