beard grass

noun

Definition of beard grass 

1 : a grass of the genus Polypogon (especially P. monspeliensis) with a densely bearded spike

2 : any of several common grasses of the genus Andropogon (such as A. scoparius)

4 : any perennial grass of the genus Gymnopogon (family Gramineae) with short rigid leaves and numerous slender flower spikes

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