Scirpus subterminalis Torr.

• Authority

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

• Family

  Cyperaceae

• Scientific Name

  Scirpus subterminalis Torr.

• Description

  Species Description - Rhizomatous, aquatic perennial with slender, subterete, flaccid stems to 1+ m, shortly emergent or merely floating distally; lvs ± numerous, capillary, arising from near the base and usually trailing just below the surface; seldom the plant ± terrestrial and with ± erect stem and lvs; bract (1–)1.5–6 cm, like a continuation of the culm; spikelet 1, light brown, ovoid to cylindric, 7–12 mm; scales 4–6 mm, very thin and almost hyaline, acute, with a firmer midrib that may be minutely exserted; bristles shorter than to occasionally shortly surpassing the achene; anthers (2–)2.5–3.5 mm; achene brown, trigonous, 2.5–3.8 mm including the prominent (0.5 mm) slender beak; 2n=74. Quiet or flowing water; Nf. to Alas., s. to S.C., Ga., Mo., Utah, and Calif. Fr July–Sept. (Schoenoplectus s.)

• Common Names

  water-bulrush