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Alloteropsis Presl, Rel. Haenk. 343. 1830. emend. Hitchc. in Contr. U.S. natn. Herb. 12:210. 1909; Blatter & McCann, Bombay Grasses 128. 1935; Bor, Fl. Assam 5:212. 1940; Sultan & Stewart, Grasses W. Pak. 1:20. 1958: Bor, Grasses Burma Ceyl. Ind. Pak. 276. 1960; Butzin in Willdenowia 5:130. 1968.
Coridochloa NeesMezochloa ButzinPterochlaena Chiov.
Annuals or perennials. Leaf-blades convolute to lanceolate; ligule membranous or a line of hairs. Inflorescence composed of untidy racemes, these digitate or in whorls on a short central axis; rhachis triquetrous, bearing paired or fascicled spikelets. Spikelets ovate to elliptic, dorsally compressed; glumes unequal, the lower shorter than the spikelet, acute to acuminate, the upper equalling the spikelet and ciliate on the margins; lower floret male, its lemma resembling the upper glume but eciliate, the palea short and deeply bifid; upper lemma chartaceous, acuminate to a short awn, its narrow margins covering only the edges of the acute palea. Caryopsis elliptic-oblong.
A genus of 5 species in the Old World tropics; 1 species occurs in Kashmir.
This genus is often misidentified, for it combines a nondescript external appearance with diagnostic characters (in the upper floret) which are difficult to observe.
Lower Taxon
Related Synonym(s):
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