Carex tribuloides Wahlenberg (Q360)
Carex tribuloides is a taxon with the rank species within the section Carex sect. Ovales
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Carex tribuloides Wahlenberg
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Carex tribuloides is a taxon with the rank species within the section Carex sect. Ovales
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Statements
taxon/id/Carex tribuloides Wahlenberg
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Carex tribuloides Wahlenberg
Carex tribuloides
Wahlenberg
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-AL
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US-AR
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US-CT
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US-DC
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US-DE
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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-IA
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US-KS
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US-KY
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US-LA
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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-MS
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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-NE
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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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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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vegetative culms with numerous leaves spaced evenly along distal 1/2.
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Leaves: sheaths adaxially green-veined nearly to collar, with ± triangular white-hyaline area to 3–8 mm proximal to collar, somewhat loose, expanded near summits, ± wing-angled, adaxially firm, summits U-shaped, somewhat thickened, slightly prolonged beyond collar;
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distal ligules 4–8 (–12) mm;
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blades 4–10 per fertile culm, 15–40 cm × (2–) 3–7 mm.
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Inflorescences erect, dense distally, brown, 2–5 (–8) cm × 10–20 mm;
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proximal internode 2–20 mm;
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2d internode 2–13 mm;
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proximal bracts bristlelike, 1 (–8) cm.
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Spikes 6–15, overlapping or distinct, ovoid-oblong to globose, 6–12 (–16) × 4–8 mm, base rounded to tapered, apex rounded.
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Pistillate scales white-hyaline or pale silvery brown with green midstripe, lanceolate, (1.9–) 2.5–3 mm, 1/2 length of and narrower than perigynia, apex acute to acuminate.
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Perigynia more than (30–) 40 per spike, appressed-ascending to ascending, pale green to pale-brown, 3–6-veined abaxially, conspicuously or, occasionally, faintly, 2–4-veined adaxially, often somewhat asymmetric, ovatelanceolate to ovate-elliptic, planoconvex, 3–5.4 × 1.1–1.7 mm, 0.3–0.5 mm thick, margin flat, including wing 0.1–0.5 mm wide;
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beak tip flat, ciliate-serrulate, abaxial suture with golden to dark-brown hyaline margin, distance from beak tip to achene 1.4–2 mm.
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2-4-veined
conspicuously; occasionally; faintly; adaxially
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asymmetric
often somewhat; somewhat
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