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Pakistan | Family List | Poaceae

Vetiveria Lem.-Lisanc. in Bull. Soc. philomath. Paris. 1822: 43. 1822. Blatter & McCann, Bombay Grasses 64. 1935; Bor, Fl. Assam 5:354. 1940; Sultan & Stewart, Grasses W. Pak. 1:97. 1958; Bor, Grasses Burma Ceyl. Ind. Pak. 258.1960.

Course perennials forming large clumps from stout rhizomes. Leaf-blades linear, firm to hard, the basal sheaths laterally compressed and keeled; ligule a short membrane or a line of hairs. Inflorescence a terminal panicle with whorls of numerous slender racemes; racemes fragile, composed of several to many spikelets, the internodes and pedicels linear. Sessile spikelet laterally compressed, linear to lanceolate; callus rounded and ± truncate or oblique and pungent; lower glume coriaceous to chartaceous, rounded on the back, spinulose; upper glume with or without an awn; lower floret reduced to a hyaline lemma; upper lemma hyaline, bidentate, with a glabrous geniculate awn from the sinus, the awn sometimes reduced or absent; palea minute. Caryopsis oblong. Pedicelled spikelet male, similar to the sessile but smaller.

A genus of 10 species in the Old World tropics; a single species occurs in Pakistan.

Lower Taxon

Related Synonym(s):


 

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