Difference between revisions of "Paspalum repens"
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Revision as of 21:02, 5 November 2020
Plants annual; aquatic, floating or rhizomatous. Culms 4-55 cm, erect; nodes pubescent. Sheaths glabrous or pubescent; ligules 1-4 mm; blades 10-40 cm long, 8-22 mm wide, flat, glabrous or sparsely pubescent. Panicles terminal, with (7)20-70 racemosely arranged branches; branches 1.2-9.5 cm, diverging to spreading, occasion¬ally arcuate, disarticulating at maturity; branch axes 0.7-1.5 mm wide, broadly winged, glabrous, margins scabrous, extending beyond the distal spikelet. Spikelets 1.1-1.9 mm long, 0.5-0.8 mm wide, solitary, appressed to the branch axes, elliptic, pubescent, white. Lower glumes absent; upper glumes and lower lemmas veinless; upper florets white. Caryopses 0.8-0.9 mm, translucent, white. 2n = 20.
Discussion
Paspalum repens is a native species that grows along the edges of lakes, streams, and roadside ditches in the southeastern United States. Its range extends through tropical America to Peru, Bolivia, and Argentina.
Selected References
None.