Rhynchospora capitellata (Michx.) Vahl
-
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 - Erect, cespitose perennial 3–8 dm; lvs flat, 1.5–3.5 mm wide; glomerules 2–several, loosely turbinate or hemispheric, the terminal to 1.5 cm thick, the lateral somewhat smaller, often on paired or branched peduncles; spikelets 3.5–5 mm, castaneous, with mostly 2–5 fls and frs; bristles 6, 1.8–2.8 mm, usually retrorsely barbellate, about equaling or a little shorter than the tubercle; achenes plump, pyriform-obovate, 1.2–1.8 mm, two-thirds as wide, with narrowly raised margins and without a prominent umbo, smooth, ± uniformly dark brown; tubercle 0.8–1.6 mm, much widened at base. Bogs and wet sands; N.S. to Ont., Mich., and Mo., s. to Fla. and Tex.; Pacific coast.