Echinochloa

• Authority

  Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.

• Family

  Poaceae

• Scientific Name

  Echinochloa

• Description

  Genus Description - Annual to robust perennial herbs; culm erect or decumbent, unbranched or sparingly branched. Leaf sheaths conspicuously inflated, smooth or scabrous; ligule a fringe of hairs or absent; blades filiform to linear, flattened. Main axis of inflorescence with 1-sided or bilateral, appressed, or spreading primary branches; secondary branches appressed; rachis terminating in a spikelet; disarticulation at the spikelet base; callus differentiated or not differentiated. Spikelets adaxial, dorsiventrally compressed to plano-convex; lower glume encircling the spikelet base; upper glume as long as the spikelet; lower floret lemma membranous to chartaceous; upper floret lemma indurate, smooth, shiny to dull, with involute margins, the apex muticous, with different texture. Caryopsis with a whitish or grayish embryo.