Difference between revisions of "Schoenoplectus smithii (A. Gray) Soják (Q4580)"
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Latest revision as of 12:40, 24 June 2022
Schoenoplectus smithii is a synonym of Schoenoplectiella smithii (A. Gray) Hayasaka var. smithii
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Schoenoplectus smithii (A. Gray) Soják
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Schoenoplectus smithii is a synonym of Schoenoplectiella smithii (A. Gray) Hayasaka var. smithii
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Statements
taxon/id/Schoenoplectus smithii (A. Gray) Soják
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CA-NB
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CA-ON
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CA-QC
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US-CT
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US-DE
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US-IL
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US-IN
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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-NC
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US-NH
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US-NJ
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US-NY
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US-RI
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rhizomes 1 mm diam.
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Culms often arching (to decumbent), terete, 0.02–0.5 m × 0.5–1.5 mm.
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Leaves 1, to equaling culm;
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blades 0–1, cross-section C-shaped, from a mucro to longer than a sheath by 0.5 mm, smooth.
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Inflorescences capitate or 1 spikelet;
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proximal bract erect, very rarely divergent, on longer culms of plants 5–150 mm and 1/5–2/3 culm length.
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Spikelets 1–15, 5–12 × 3 (–4) mm;
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scales straw-colored to orangebrown, often lineolate-spotted, midrib region usually green becoming straw-colored, obovate, 2.5–3 × 1.5–2 mm, smooth, margins distally ciliolate at 20X, flanks in proximal part of spikelet each with 2–10 distinct ribs, apex rounded, entire, mucronate.
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Flowers: perianth bristles 0 or 4–6, rarely 1–3, brown, ± equaling to 2 times longer than achene, rarely much shorter, slender throughout, densely to sparsely retrorsely-spreading spinulose;
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anthers 0.4–0.6 mm;
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styles 2-fid or 2-fid and 3-fid.
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Achenes brown, turning blackish, thinly to thickly planoconvex or unequally biconvex, sometimes clearly trigonous with distinct, narrow abaxial angle, adaxial face without central bulge, cuneate-obovoid, proximally evenly tapered and usually without stipelike constriction, 1.5–2 × 1.2–1.5 mm, base 0.2–0.3 mm wide;
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beak 0.1–0.2 mm, very finely longitudinally ridged at 20–30X.
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retrorsely-spreading
densely to sparsely
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ridged
very finely longitudinally
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planoconvex
thinly to thickly; thickly
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