Hairs dendroid-stelliform, to 1 mm, eglandular, occasionally also jointed, branched or simple, 2–4 mm, eglandular. Corollas with pale to dark brown smudges. Fruiting calyces 15–30 mm wide. 2n = 24.

Flowering Mar–Oct. Sandy soil, prairies, roadsides, dis­turbed habitats; 50–200 m; Ark., La., Okla., Tex.

Variety mollis can be distinguished by its dense, eglandular tomentum, which often obscures the leaf surface.