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Published In: Synopsis Plantarum 1: 97. 1805. (Syn. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: A genus of 70-80 species in temperate regions of both hemispheres and on mountains in the tropics; 3 species occur in Pakistan.

 

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Perennials. Leaf-blades flat or convolute, broad or narrow. Spikelets 2-4 (-6)-flowered, all alike, the rhachilla usually produced; glumes ± unequal, keeled, broadly hyaline on the margins, the lower 1(-3)-nerved, the upper 3-nerved; lemmas slightly longer or shorter than the glumes, 5-nerved, hyaline or membranous, 2-toothed at the tip, the teeth often aristulate, with a straight or curved, often twisted awn nearly always inserted above the middle; callus distinct, bearded; stamens 3; stigmas 2.
 

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1 Culm glabrous; panicle axis and branches also glabrous Trisetum aeneum
+ Culm pubescent below the inflorescence; panicle axis and branches also pubescent (2)
2 (1) Panicle densely spiculate, spiciform or ovoid, strict and erect Trisetum spicatum
+ Panicle loose or if ± dense then long and narrow, not spiciform or ovoid Trisetum clarkei
 
 
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