Tropicos | Name - *Echinochloa colonum (L.) Link

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*Echinochloa colonum (L.) Link

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Flora Data (Last Modified On 10/22/2012)

Species	ECHINOCHLOA COLONUM (L.) Link
PlaceOfPublication	Hort. Berol. 2:209. 1833.
Synonym	Panicum colonum L. Syst. Nat. ed. 10. 2:870. 1759. Milium colonum Moench, Meth. P1. 202. 1794. Oplismenus colokum H.B.K. Nov. Gen. & Sp. 1:108. 1815. Panicum zonale Guss. Fl. Sic. Prodr. 1:62. 1827. Oplismenus repens Presl, Rel. Haenk. 1:321. 1830. Panicum prorepens Steud. Syn. P1. Glum. 1:46. 1854. Oplismenus crusgalli var. colonum Coss. & Dur. Expl. Sci. Alger. 2:28. 1854. Panicum crusgalli var. colonum Coss. ex Richt. P1. Eur. 1:26. 1890. Panicum colonum var. zonale L. H. Dewey, Contr. U. S. Nat. Herb. 2:502. 1894. Echinocbloa colonum var. zonalis Woot. & Standl. N. Mex. Coll. Agr. Bull. 81:45. 1912.
Description	Annual; culms slender, prostrate to erect, freely branching at the base and lower nodes, 15-70 cm. long; sheaths glabrous; ligule wanting; blades soft and rather thin, lax, 5-10 cm., rarely 15 cm., long, 3-6 mm., rarely 10 mm., wide, glabrous, the margins sparsely scabrous; inflorescence 3-10 cm. long, rarely longer; racemes few to several, ascending, the lower ones 1-2 cm. distant, 1-3 cm. long; spikelets 2-2.5 mm. long, scabrous or finely hispid; first glume triangular, acute, about one-third as long as the spikelet; second glume and sterile lemma equal, pointed, awnless; fruit 1.8 mm. long, elliptic, acute.
Specimen	CANAL ZONE: Frijoles, Standley 27648, 3I475; New Frijoles, Pittier 6837; between Frijoles and Monte Lirio, Killip I2I76; Darien Station, Standley 3I537; Gamboa, Standley 28528; Las Cascadas Plantation, Standley 29552; Empire, Pittier 3720, 3723; Victoria Fill, Allen 1717; between Corozal and Anc6n, Pittier 6770; Culebra, Hitchcock 7922; Summit, Standley 26903, 30088; between Miraflores and Pedro Miguel, Pittier 2505; be- tween Corozal and Ancon, Pittier 2184; Ancon, Killip 41II; Balboa, Standley 25635, 30893. PANAMA: Panama', Standley 27673; Rio Tecu'men, Standley 29488.

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