Eleocharis flavescens (Poir.) Urb.
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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 - Tufted perennial from a compact system of slender rhizomes; stems divaricate, 3–15 cm; sheaths tenuous, pale, prolonged into a loose, white, scarious tip; spikelet ovoid or oblong-ovoid, 2–7 mm, with fewer than 20 fls; scales ovate or elliptic, obtuse or subacute, with brown sides, the basal one empty; bristles white or pale green; anthers 0.7–1 mm; style bifid or occasionally some trifid; achene lenticular, 1 mm; tubercle pale, short-conic above a swollen base. Var. flavescens, with the largest scales ca 2 mm, the tubercle a fifth as long as the black or purplish-brown achene, and the bristles usually shorter than the achene, is mainly tropical, extending n. chiefly on the coastal plain to Va. and reputedly N.J. (E. flaccida; E. ochreata) Var. olivacea (Torr.) Gleason, with the largest scales ca 2.5 mm, the tubercle a fourth as long as the olivaceous achene, the bristles usually exceeding the achene, occurs from N.S. to Minn., s. chiefly in the e. states to Fla. (E. olivacea)