Aristida
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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
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Genus Description - Cespitose, annual or perennial herbs; culms slender, solid or hollow. Leaves mostly basal; sheaths mostly glabrous; ligules membranes; blades flat or involute. Inflorescence a terminal panicle. Spikelets 1-flowered, disarticulating above the glumes; glumes lanceolate, acuminate to awn-tipped, usually 1-nerved; lemma narrowly lanceolate, 3-nerved, terete, with inrolled margins, tightly convolute around the palea, the base with a hard, sharp-pointed, bearded callus, the apex awned, sometimes beaked, usually bearing 3 stiff awns; palea minute or absent; stamens 3.