Hyparrhenia

• Authority

  Hitchcock, Albert S. 1927. The grasses of Ecuador, Peru, and Bolivia. Contr. U. S. Natl. Herb. 24: i-xx, 291-556.

• Family

  Poaceae

• Scientific Name

  Hyparrhenia

• Description

  
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  Description - Racemes in pairs, subtended by spathes, mostly in a compound inflorescence, differing from Andropogon in having the lower pair of at least one of the racemes with two similar sterile awnless spikelets, the other pairs consisting of a sessile fertile awned spikelet and a pediceled sterile awnless spikelet, the callus of the fertile spikelet elongate, acute; margins of the first glume of the fertile spikelet involute rather than indexed and 2-keeled as in Andropogon; awn from the sinus of the bifid fertile lemma.