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Pakistan | Family List | Poaceae

Deschampsia P. Beauv., Ess. Agrost. 91. 1812. Boiss., Fl. Or. 5:531. 1884; Hook.f., Fl. Brit. Ind. 7:273. 1896; Ovchinnikov, Fl. Tadzh. 1:359. 1957; Sultan & Stewart, Grasses W. Pak. 2:283. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 435. 1960; Bor in Rech.f., Fl. Iran. 70:315. 1970; Tzvelev, Poaceae URSS 279. 1976; Clarke in Tutin et al., Fl. Fur. 5:225. 1980.

Caespitose perennials or rarely annuals. Leaf-blades filiform to linear, flat, folded or rolled; ligule often elongated. Inflorescence a spreading (or rarely contracted) panicle, with small shining spikelets. Spikelets usually 2-flowered, the florets similar, bisexual; rhachilla disarticulating below each floret, pilose or rarely glabrous, produced as a fine bristle; glumes subequal or unequal, mostly acute, keeled, subscarious to membranous with thin shining margins, the lower 1-3 nerved, the upper 3 (rarely 1)-nerved; lemmas lanceolate to oblong, shorter than the glumes or the upper with the tip exserted, scarious-membranous to thinly membranous, obscurely 4-5-nerved, 2-lobed, 4-toothed or lacerate-truncate at the apex, with a straight or geniculate awn from the back; callus minute, obtuse, usually bearded; palea about as long as the lemma, 2-keeled; stamens 3; stigmas 2.

A genus of about 60 species mainly in temperate and cold regions of both hemispheres; 2 species occur in Pakistan.

1 Panicle 10-30 cm long, effuse, or rarely contracted   Deschampsia caespitosa
+ Panicle 2-5 cm long, densely contracted, often spikelike   Deschampsia koelerioides

Lower Taxa

Related Synonym(s):


Related Objects  

Flora of China  
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