Culms 60-110 cm. Ligules 1-3 mm; blades 16-35 cm long, 1-6 mm wide, glabrous, lower blades usually folded, upper blades flat. Panicles 10-30 cm long, 1-3 cm wide; branches 4-13 cm, ascending or the lower branches occasionally spreading, each axil with a tuft of hairs. Spikelets 10-16 mm long, 2.5-5 mm wide. Lower glumes 2.5-4 mm, 1-7-veined; upper glumes 4-5.5 mm, 5-9-veined; lemmas 5-7 mm; anthers 3, 0.5-2 mm. 2n = 56, 60, 68.

Vaseyochloa multinervosa grows in islands of live oaks within rolling sand dunes on the Texas mainland, North Padre Island, and on naturally occurring islands in the Laguna Madre of Texas.