Rhynchospora knieskernii J.Carey
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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 perennial to 5 dm; stems slender, flexuous; lvs 1–2 mm wide, soon becoming involute; terminal glomerule turbinate, 5–10 mm thick; lateral glomerules 2 or 3, remote, somewhat smaller, subsessile; spikelets 2–3 mm, brown, with 2–3 frs and a terminal staminate fl; bristles 6, retrorsely barbellate, half to fully as long as the achene; achenes plump, elliptic or obovate, 1.1–1.3 mm, slightly or scarcely more than half as wide, obscurely roughened, shining yellow-brown centrally, darker toward the margins; tubercle triangular, up to half as long as the achene. Pine-barren bogs; N.J. to Del.