Echinochloa colona (L.) Link
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Authority
Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
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Family
Poaceae
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Scientific Name
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Description
Species Description - Annual herb, lacking stolons; flowering culms 1-9 dm tall, erect or decumbent at the base, unbranched or sparingly branched. Leaf sheaths glabrous; blades linear, flat, 3-22 x 0.3-0.7 cm, smooth, glabrous on the upper surface. Inflorescence oblong to lanceolate; main axis 3-13 cm long; primary branches 1-3 cm long. Spikelets paired, ovate to elliptic, 2.1-2.9 x 1.1-1.5 m m; lower glume 1.1-1.5 mm long, 3-5-nerved; upper glume 2-2.8 mm long, 5-nerved; lemma of lower floret ovate to elliptic, 5- nerved, mucronate, the palea fully developed; lemma of upper floret elliptic, indurate, smooth, yellow, 1.9-2.9 mm long, apiculate.
Distribution and Ecology - Common in moist disturbed places. Enighed (A5099); Fish Bay (A2811). Also on St. Croix, St. Thomas, and Tortola; throughout the tropics and subtropics of the world, originally native to the Old World