Annual. Stems erect, divaricately branched above, ribbed to grooved, c. 40-60 cm tall; hairs both white, slender, subappressed, and pale, spreading, coarser, glandular. Rosette and lower stem lvs thin, petiolate, linear-oblanceolate, runcinately pinnatifid, 5-15 × 2-4 cm, with pale hairs 1-2 mm long; lobes patent, entire or toothed. Upper stem lvs similar, becoming sessile and simple, narrowly oblanceolate to linear, with narrowly triangular teeth especially at subauriculate base. Capitula turbinate; buds nodding or drooping. Involucral bracts with dense glandular and finer eglandular hairs on outer surface and fine appressed eglandular hairs on inner surface; outer bracts 12-15, linear, c. ⅓ length of inner bracts; inner bracts linear-oblanceolate, keeled, 9-12 mm long, with pale to scarious, ± glabrous margins. Receptacle areoles with raised ciliate margins. Corolla yellow, with red stripe on outer face of ligule. Achenes brown, 10-ribbed, fusiform, scabrid, 8-13 mm long, the outer not beaked, the inner beaked. Pappus bristles in 2 rows, fine, dull white.