Perennials, to 80 cm (not rhizomatous, not stoloniferous, rosettes at bases of aerial stems). Stems (branches ascending) moderately hirsute (hairs spreading, 1+ mm). Leaves: blades linear to spatulate (not lobed), bases attenuate to cuneate, margins entire or remotely serrulate, apices acute to rounded, faces hirsute; basal petiolate, 5-20 × 0.5-2 cm; cauline petiolate (proximal) or sessile (distal), 2-15 × 0.4-1.5 cm. Heads borne singly or (2-12) in loose, corymbiform arrays. Phyllaries to 1.5 cm (faces hairy, more densely abaxially). Receptacles mostly hemispheric; paleae 5-6.5 mm, apices rounded to acute, abaxial tips glabrous. Ray florets 9-15; laminae elliptic to oblanceolate, 10-25 × 5-8 mm, abaxially sparsely strigose. Discs 8-15 × 10-17 mm. Disc florets 150-250+; corollas proximally greenish yellow, distally purple brown, 4-5.5 mm; style branches ca. 1.5 mm, apices obtuse. Cypselae 1.5-2.7 mm; pappi coroniform, ca. 0.1 mm. 2n = 38. Flowering late spring-fall. Dry, rocky prairies, limestone glades; 10-80 m; Ark., Ill., Ky., La., Mo., Okla., Tex.