Rhynchospora scirpoides (Torr.) Griseb.
-
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
-
Description
Species Description - Tufted annual 1–6 dm; blades 1–3 mm wide; spikes ovoid to cylindric, 3–7 mm, loosely clustered at the ends of the stem and branches; scales numerous, thin, 1-nerved, ovate, acute, 3 mm, each subtending a perfect fl, perianth wanting; stamens 1 or 2; achenes 0.7–1 mm, rotund or a little wider than long, contracted to a short broad stipe, longitudinally finely striate and sometimes obscurely cross-rugulose, pale brown, becoming nearly black, with raised pale margins; tubercle flat, triangular-subulate, nearly or quite as long as the achene. Wet sandy soil; e. Mass. and R.I.; nw. Ind. and sw. Mich.; se. Va. to e. N.C. (Psilocarya s.)