Annuals, biennials, or perennials. Stems branched mostly at or near mid heights, leafy toward bases. Leaves: basal blades oblanceolate, 0.5-2.5 cm wide; cauline narrowly elliptic (smaller distally); margins entire or serrate; faces hispid to ± sericeous. Peduncles at least ¹/2 plant heights. 2n = 38.

Flowering spring-summer. Meadows, pastures, old fields, roadsides; 20-80 m; Ala., Fla., Ga., La., Miss., S.C., Tex.

Variety angustifolia grows along the Gulf coastal plain.