Rhynchospora fascicularis (Michx.) Vahl
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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, erect to 1 m, relatively coarse, the stems 1.5–3 mm thick near the base; lvs filiform or to 4 mm wide, no more than half as long as the stems; terminal glomerules broadly turbinate to corymbiform, 5–25 mm thick, or compound and to 5 cm wide; lateral glomerules 0.3, usually remote, conspicuously pedunculate; spikelets 2.5–4 mm, with 2–4 fls and 1–3 frs; bristles (0–)6, antrorsely barbellate, variable, up to as long as the achene; achenes elliptic to subrotund, brown, sometimes pale at the center, 1.3–1.7 mm, three-fourths to fully as wide; tubercle deltoid, 0.3–0.8 mm, up to half as long or sometimes fully as long as the achene. Wet acid soil on the coastal plain; trop. Amer., n. to Tex. and se. Va.