Schoenoplectus saximontanus (Fernald) J. Raynal (Q4578)
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Schoenoplectus saximontanus is a synonym of Schoenoplectiella saximontana (Fernald) Lye
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English |
Schoenoplectus saximontanus (Fernald) J. Raynal
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Schoenoplectus saximontanus is a synonym of Schoenoplectiella saximontana (Fernald) Lye
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Statements
taxon/id/Schoenoplectus saximontanus (Fernald) J. Raynal
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CA-BC
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US-CA
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US-CO
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US-IL
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US-KS
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US-MO
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US-NE
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US-OH
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US-OK
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US-SD
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US-TX
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US-UT
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US-WY
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Plants annual or perennial;
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rhizomes 1 mm diam.
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Culms often arching to decumbent, cylindric, ridged when dry, 0.09–0.65 m × 0.5–1.5 mm.
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Leaves 3–4, 1 (–2) cauline;
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blades 1–2, proximally thickly C-shaped in cross-section, distally flat, rudimentary to longer than sheath, 1–200 × 0.2–1 mm, smooth or margins distally spinulose.
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Inflorescences capitate or of 1 spikelet or with 1 or 2 branches to 15 mm;
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proximal bract erect, like leaf-blades, 5–15 cm.
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scales pale orangebrown to colorless, midrib region sometimes greenish, ovate, 2.2–3 (–3.5) × 1.5 mm, awn sparsely spinulose, margins ciliolate, midrib keeled distally, apex entire, rounded, awn 0.2–0.5 mm or to 1 mm on proximal scale.
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Flowers: perianth absent;
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anthers 0.3–0.5 mm;
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Spikelet achenes blackish brown, nearly equilaterally sharply trigonous, ovoid to obovoid, 1.3–1.8 × 1–1.4 mm, with 10–20 mostly sharp ridges;
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Amphicarpic achenes trigonous, 2.2–3 mm including stout, tapered beak 0.3 mm, with many obscure to evident horizontal ridges.
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c--shaped
proximally thickly
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of 1 spikelet or with 1 or 2branches 0-15 mm
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trigonous
nearly equilaterally sharply
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