Scirpus robustus Pursh
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Cyperaceae
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Scientific Name
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Description
Species Description - Stout perennial with stout, tuber-bearing rhizomes; stems mostly 6–15 dm, sharply triquetrous; lf-sheath as in no. 17 [Scirpus fluviatilis (Torr.) A. Gray]; blade ca 1 cm wide; bracts 2–4, elongate; spikes mostly (3)5–20, ovoid to cylindric, all sessile or some clustered or solitary on rays to 4 cm, the infl appearing more compact than in no. 17; scales brown with thin margins, puberulent, the apex often fissured in age, the midvein prolonged into a recurved awn 2 mm; style bifid or trifid; achene glossy, dark brown to nearly black, 3–3.5 mm, broadly obovate, abruptly rounded-truncate to the minute beak-apiculus; 2n=106–110. Brackish or saline marshes along the coast; N.S. to Tex.; Calif. Fr July–Oct. (Bolboschoenus r.)
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Common Names
saltmarsh-bulrush