Aristida rhizomophora Swallen

Florida Threeawn

Natural range: Eastern peninsular Florida

Habitat: Wet pinewoods

Florida status: Native, endemic

Recognition: Has well developed rhizome and also forms dense tufts. In addition to the normal "Aristida" three awns, there is a 4th short awn. The central awn longer than the lateral ones. Central awn > 25 mm, lateral awns > 20 mm; awns often contorted. Both glumes awned, the upper glume (with awn) > (3-)7 mm. Coarse bluish-gray leaves often curly.