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Pakistan | Family List | Poaceae

Schismus P. Beauv., Ess. Agrost. 73, t.15/4. 1812. Sultan & Stewart, Grasses W. Pak. 2:289. 1959; Bor, Grasses Burma Ceyl. Ind. Pak. 481. 1960; Bor in Towns., Guest & Al-Rawi, Fl. Iraq 9:377. 1968; Bor in Rech. f., Fl. Iran. 70: 357. 1970; Conert & Turpe in Abh. senckenb. naturforsch. Ges. 532: 1-81. 1974; Tzvelev, Poaceae URSS 612. 1976; Tutin in Tutin et al., Fl. Eur. 5:253. 1980.

Annuals or perennials. Leaf-blades setaceous, flat or involute. Inflorescence a contracted panicle. Spikelets 4-10-flowered, the uppermost florets often reduced, laterally compressed, rhachilla disarticulating above the glumes and between the florets. Glumes subequal, strongly nerved with scarious margins, much longer than the lowest lemma and ± enclosing the spikelet; lemmas rounded on the back, membranous, hyaline on the margins and at the bifid or bibbed tip, 9-nerved, awnless or with a very short awn in the sinus; palea as long as or nearly as long as the lemma, 2-keeled; anthers 3.

A genus of 5 species in Africa and from the Mediterranean region to Pakistan and Kashmir. 2 species occur in Pakistan.

1 Lobes of the lemma narrowly triangular, clearly longer than broad; tip of palea slightly exceeding the base of the sinus and at best reaching the middle of the lobes; hairs of lemma pointed, never clavate   Schismus arabicus
+ Lobes of the lemma broady triangular, not longer than broad; tip of palea reaching at least to the middle of the lobes, usually as long as or longer than the lemma; hairs of lemma often clavate   Schismus barbatus

Lower Taxa

Related Synonym(s):


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