Cyperus odoratus L.
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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 - Stout annual 1–8 dm; lvs 2–10 mm wide; bracts several, mostly surpassing the infl and some much elongate; rays (0–)3–10, 2–10 cm, branched at the top, producing a congested infl; prophylls prolonged 5–15 mm beyond the orifice into a bilobed tip; spikelets linear-cylindric, brownish at maturity, 1–2 cm, 5–20-fld, divaricately spreading; scales ovate, (1.5–)2–3 mm, finely several- nerved, obtuse or acute; rachilla articulate at the base of each scale, at maturity readily separating into joints, its internodes outwardly arcuate, conspicuously winged, the wings enfolding the achene; achenes brown, trigonously oblong or obovoid-oblong, 1–2 mm. Moist or wet soil; pantrop., n. to Mass., se. Me., Ont., Minn., and Kans. (C. engelmannii; C. ferax; C. ferruginescens; C. speciosus)