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Pakistan | Family List | Poaceae


Annual or perennial herbs. Leaf-blades narrow, flat; ligule membranous. Inflorescence a loose or contracted panicle. Spikelets all alike, laterally compressed or subterete, several- to many-flowered, the uppermost florets reduced; rhachilla disarticulating below each floret; glumes persistent, shorter than the lowest lemma, often scarious on the margins; lemmas herbaceous, 5-9-nerved, ± 2-toothed with a straight or recurved awn from just below the hyaline tip, rarely with 3 or 9 awns; palea hyaline, usually shorter than the lemma; lodicules 2; stamens 3 or 2; styles 2, inserted laterally below a hairy appendage crowning the ovary. Grain with small embryo and linear hilum; starch grains simple, rounded. Chromosomes large, basic number 7.

Genera 2; temperate regions, mainly in the northern hemisphere; both genera and 18 species in Pakistan.

A tribe resembling Poeae, but with a curious hairy appendage on the ovary, and with the peculiar rounded starch grains typical of Triticeae. In many respects it is intermediate between these two tribes.

1 Lemmas rounded or keeled, without ridged nerves; awns at most 3, usually only 1   Bromus
+ Lemmas rounded on the back, with 9 prominently ridged nerves which pass out into recurved awns   Boissiera

Lower Taxa

Related Synonym(s):


Related Objects  

Flora of China  
  • FOC22_14_Bromeae.pdf
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