Difference between revisions of "Schoenoplectus pungens (Vahl) Palla (Q3423)"
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Latest revision as of 12:39, 24 June 2022
Schoenoplectus pungens is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus
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Schoenoplectus pungens (Vahl) Palla
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Schoenoplectus pungens is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus
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Statements
taxon/id/Schoenoplectus pungens (Vahl) Palla
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Schoenoplectus pungens (Vahl) Palla
Schoenoplectus pungens
(Vahl) Palla
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-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NL
Nfld. and Labr.
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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US-AL
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US-AK
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US-AZ
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US-AR
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US-CA
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US-CO
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US-CT
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US-DE
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US-FL
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US-GA
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US-ID
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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-MD
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US-MA
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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-MT
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US-NE
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US-NV
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NC
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US-ND
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US-OH
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US-OK
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US-OR
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US-PA
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US-SC
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US-TX
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US-UT
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US-VT
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US-VA
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US-WA
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US-WI
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US-WY
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Rhizomes often vertical, 1–6 mm diam., firm to hard;
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scales shorter to longer than internodes, disintegrating to fibers.
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Culms sharply trigonous, sides convex to concave proximally, deeply concave to flat distally, 0.1–2 m × 1–6 mm, smooth.
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ligules 2-fid, 1 mm;
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blades 2–6, proximally V-shaped, distally trigonous to asymmetrically laterally flattened in cross-section, angles often scabridulous distally;
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distal blade (1–) 2–5 times as long as sheath, 50–750 × 2–9 mm.
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Inflorescences capitate;
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proximal bract usually erect, resembling leaf-blade but trigonous proximally, (1–) 3–20 cm.
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Spikelets 1–5 (–10), 5–23 × 3–5 (–7) mm;
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scales bright (to very dark) orange, redbrown, or purplish brown to straw-colored, often prominently lineolate-spotted, midrib mostly paler, ovate, 3.5–6 × 2–3 mm, smooth or awn sparsely spinulose, margins deciduously ciliolate, flanks ribless except sometimes proximal scales, midrib prominent, apex acute (to obtuse), 2-fid, notch (0.3–) 0.5–1 mm deep, awn mostly irregularly bent, 0.5–1.5 (–2.5) mm.
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Flowers: perianth members 4–8, sometimes fewer, brown, bristlelike, variably slender to stout, equal or unequal, all equaling achene body to all rudimentary, retrorsely spinulose;
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Achenes brown, biconvex to compressed bluntly trigonous, obovoid to obpyriform, (2–) 2.5–3.5 × 1.3–2.3 mm;
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beak 0.1–0.5 mm. 2n = 74, 78.
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distally trigonous
asymmetrically laterally flattened
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(1-)2-5 times as long as sheath
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lineolate-spotted
often prominently
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biconvex
compressed bluntly trigonous obovoid
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biconvex
compressed bluntly trigonous obovoid
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