Difference between revisions of "Paspalum fimbriatum"
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Latest revision as of 17:57, 11 May 2021
Plants annual. Culms 15-70 cm, erect; nodes glabrous or pubescent. Sheaths pubescent, sometimes sparsely so; ligules 1-1.9 mm; blades to 35 cm long, 1.9-16.2 mm wide, flat, sparsely pubescent on both surfaces, margins ciliate basally. Panicles terminal, with 2-8 racemosely arranged branches; branches 2-6.4 cm, diverging to erect; branch axes 0.9-1.6 mm wide, winged, glabrous, margins scabrous, terminating in a spikelet. Spikelets 2.5-3.5 mm long, 2.4-3 mm wide, paired, appressed to the branch axes, suborbicular, stramineous. Lower glumes absent; upper glumes and lower lemmas 1.9-2.1 mm, ovate, winged, 1-veined, margins ciliate-lacerate; upper florets 1.7-1.9 mm, stramineous. Caryopses 0.9-1.1 mm, orbicular, white. 2n = 20.
Distribution
Puerto Rico, Virgin Islands, Pacific Islands (Hawaii), Fla.
Discussion
Paspalum fimbriatum has probably been introduced into the United States. Its primary range extends from southern Mexico to Colombia, Venezuela, and French Guiana. In the Flora region, it grows in disturbed areas of Florida.
Selected References
None.