[1] This perennial grass forms clumps of stems up to 30 to 45 centimeters tall.

The inflorescence is a panicle with several long, spreading branches arranged in a whorl.

[3] This plant grows on sparsely vegetated stretches of coastal prairie, often at mima mounds.

Other plants located around these mounds include Hymenoxys texana, Thurovia triflora, and Rayjacksonia aurea.

[1] This plant is threatened with the loss of its habitat due to development, especially in the Houston area.