Difference between revisions of "Scleria P. J. Bergius (Q3394)"
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Latest revision as of 12:37, 24 June 2022
Scleria is a taxon with the rank genus within the tribe Sclerieae
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Scleria P. J. Bergius
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Scleria is a taxon with the rank genus within the tribe Sclerieae
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Statements
taxon/id/Scleria P.J. Bergius
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Scleria P.J. Bergius
Scleria
P.J. Bergius
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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Tropical and warm-temperate regions of both hemispheres
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Herbs usually perennial, sometimes annual, cespitose or not, rhizomatous or not.
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Culms solitary or not, unbranched proximal to inflorescence, trigonous, (6–) 10–100 (–125) cm (high-climbing into trees), weak or wiry.
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Leaves few-to-many per culm, cauline, 3-ranked;
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ligules usually well developed, sometimes obsolete;
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blades well developed (or rudimentary, sometimes absent on proximal leaves), shorter than, equaling, or overtopping culms, plane, keeled, or revolute, 0.5–9 mm wide, stiff, with prominent midvein, glabrous, scabrous, or pubescent.
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Inflorescences terminal, often axillary, sometimes pseudolateral, panicles, spikes, or 1 or more capitate or fasciculate clusters;
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bracts 1–3, ascending or erect, bristle-shaped, awl-shaped, or leaflike, sometimes appearing to continuation of culm, 10–150 mm, shorter than or exceeding spikelets, glabrous or ciliate.
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Spikelets: scales 3–10+, each subtending flower, distichous, proximal 2–4 scales empty, proximal fertile scale pistillate, distal fertile scales staminate or sometimes empty;
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occasionally some spikelets entirely pistillate or staminate.
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Flowers unisexual;
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anthers 2–4 mm, apex usually mucronate or awned;
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styles linear, 2–3-fid, base deciduous or persistent, hypogynium rudimentary or prominent, slender or enlarged.
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Achenes trigonous or rounded, 1–4 mm, smooth, tuberculate, verrucose, or reticulate, occasionally pubescent.
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pistillate
occasionally; entirely
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