Dichanthelium acuminatum (Sw.) Gould & C.A.Clark
Family: Poaceae
hairy panic grass,  more...
[Panicum acuminatum Sw.,  more]
Dichanthelium acuminatum image
from USDA Plants website  
Etymology: Dichanthelium: Greek dich for "two" and anthelium for "flowering" - a fair translation is "twice-flowering"
Plants: perennial grass