Scirpus robustus Pursh

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Scirpus robustus Pursh

  • 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.)

  • Common Names