bristle-grass

bristle-grass

n
(Plants) any of various grasses of the genus Setaria, such as S. viridis, having a bristly inflorescence
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014