Description
A Panicoid grass to 100 cm tall. Ligules 0.5-1 mm long, composed of hairs.
Inflorescence composed of racemosely-arranged, spicate branches. The branches are one-sided and terminate in a bristle. Spikelets 2-flowered, 2.2-3.2 mm long; the lower floret sterile or staminate; the upper floret is bisexual. Lower glume 1-3-veined. Upper glume 5-7-veined. The upper lemma in indurate with inrolled margins clasping the palea.
Distribution Map
Image

Photo by Ann Murray, University of Florida/IFAS
Center for Aquatic and Invasive
Plants.
Used with permission.