[1][3] This species is an annual herb which generally remains small in its native habitat but in cultivation may be much larger.

[3] This plant grows on the Texas coastal prairie, especially on Mima mounds and in open areas such as fields and pastures.

[5] It prefers sandy soils or loams, and typically grows in areas that are seasonally wet or are poorly drained.

[5] The plant may occur with other rare local endemics, such as Texas windmill grass and prairie dawn.

[3] The species and its habitat are threatened by development and expansion of the Houston metropolitan area, as well as from competition from woody vegetation and non-native grasses.