Rhynchospora grayi Kunth
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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 - Cespitose, 3–8 dm; lvs flat, 2–3 mm wide; infl of 1–3 terminal and subterminal, hemispheric to subglobose glomerules, with 1–3 remote, slenderly peduncled lateral glomerules; spikelets lanceolate to narrowly ovoid, 4–6 mm, with 2–3 fls and 1 fr; bristles 6, antrorsely barbellate, shorter to longer than the achene; achenes olivaceous to nearly black, broadly elliptic to rotund, much thickened distally, 2.1–2.6 mm, nearly or quite as wide, finely marked with numerous pits; tubercle conic, not flattened, 0.3–0.8 mm. Wet sandy soil on the coastal plain; se. Va. to Fla., Tex., and Cuba.