Tropicos | Name - Paspalum repens P.J. Bergius

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Paspalum repens P.J. Bergius

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Flora Data (Last Modified On 10/16/2012)

Species	PASPALUM REPENS
PlaceOfPublication	Act. Helv. Phys. Math. 7:129. pl. 7. 1762.
Synonym	Paspalum gracile Rudge, P1. Guian. 20. pI. 26. 1805. Paspalum mucronatum Muhl. Cat. P1. 8. 1813. Ceresia fluitans Ell. Bot. S. C. & Ga. 1:109. pl. 6. f. 4. 1816. Paspalum mucronatum Muhl. Descr. Gram. 96. 1817. Paspalum natans LeConte, Jour. de Phys. Chym. 91:285. 1820. Paspalum fluitans Kunth, Rev. Gram. 1:24. 1829. Paspalum pyramidale Nees, Agrost. Bras. 77. 1829. Paspalum frankii Steud. Syn. P1. Glum. 1:19. 1854. Paspalum bistipulatum Hochst. ex Steud. Syn. P1. Glum. 1:29. 1854. Cymatochloa fluitans Schlecht. Bot. Zeit. 12:822. 1854. Cymnatochloa repens Schlecht. Bot. Zeit. 12:822. 1854.
Description	Aquatic perennial; culms submerged, spongy, with long roots at the nodes and numerous floating branches, the nodes glabrous or sometimes hispid; sheaths longer than the internodes, inflated except the uppermost on the branches, soft, papery, glabrous or sparsely papillose-hispid, auriculate; ligule 1-2 mm. long, brown; blades 10-27 cm. long, 1.2-2.5 cm. wide, thin, flat, scabrous; panicles 10-20 cm. long, shortly exserted; racemes numerous, mostly 3-5 cm. long, spreading or even reflexed, the rachis about 1.5 mm. wide, scabrous on the margins, acuminate, extending beyond the spikelets, naked for a short distance at the base; spikelets 1.4-2 mm. long, solitary, whitish, pubescent or glabrous, the glumes and sterile lemma pointed beyond the fruit; fruit 1.4-1.7 mm. long, smooth and shining.
Distribution	Floating in open water on margins of rivers, lakes, and canals, sometimes creep- ing in wet places, South Carolina to Indiana and Kansas, south to Paraguay.
Specimen	CANAL ZONE: Chagres River, D. H. Popenoe 36; Gatuin, Hitchcock 803I, 9I79; Frijoles, Standley 3I464; Gamboa, Standley 28482; Juan Mina, Piper 5205; Bartlett d Lasser I6752; I6885; Pedro Miguel River, D. P. Curry; Mindozo River, Killip 423I. PANAMA: Matias Hern'andez, Pittier 68o8; La Jagua, Bartlett d Lasser 17001, 17010.

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