Difference between revisions of "Schoenoplectus (Reichenbach) Palla (Q3413)"
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Latest revision as of 12:39, 24 June 2022
Schoenoplectus is a taxon with the rank genus within the tribe Schoenoplecteae
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Schoenoplectus (Reichenbach) Palla
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Schoenoplectus is a taxon with the rank genus within the tribe Schoenoplecteae
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Statements
taxon/id/Schoenoplectus (Recheinbach) Palla
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Schoenoplectus (Recheinbach) Palla
Schoenoplectus
(Recheinbach) 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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Herbs, perennial or annual, cespitose or not, rhizomatous or not.
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Culms solitary or not, cylindric to strongly trigonous, smooth, glabrous, spongy with internal air cavities.
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Leaves basal, rarely 1 (–2) cauline;
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ligules membranous, glabrous;
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blades well developed to rudimentary, cross-section dorsiventrally flat to C-shaped or laterally compressed, soft, smooth or margins sometimes distally scabrous or spinulose.
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Inflorescences terminal, capitate to openly paniculate;
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involucral-bracts 1–5, leaflike, proximal bract erect to spreading.
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Spikelets terete, 3–25 × 2–5 mm;
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scales deciduous, 8+, spirally arranged, each subtending flower, or proximal scale empty (sometimes called a bracteole), floral scales with apex entire or 2-fid, midrib usually prolonged into mucro or awn, smooth or abaxial surface scabrous, margins ciliate.
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Flowers bisexual (basal flowers pistillate in amphicarpic species);
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perianth of 0–6 (–8) bristles, straight or curved, spinulose, straplike, sometimes fringed with soft, blunt hairs, shorter than to somewhat exceeding achene;
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styles linear, 2–3-fid, base not or scarcely enlarged, deciduous in fruit.
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Achenes biconvex to trigonous, with apical beak, faintly to prominently rugose or with transverse wavy ridges, 2.5–3.5 mm including 0.1–2 mm beak.
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cylindric
strongly trigonous
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rugose
faintly to prominently
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with transverse wavy ridges
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