Plants 5-70 cm. Stems erect, green, tan, or reddish to dark brown, usually glabrous or villous, rarely tomentose. Leaves: basal withering by flowering; cauline margins entire or dentate to pinnately lobed, faces gland-dotted, abaxial glabrous or villous to tomentose. Heads borne singly, at ends of branchlets. Involucres obconic, (4-)5-8 mm. Phyllaries usually green, rarely purple, faces glabrous or villous to tomentose, gland-dotted; inner ± scarious. Disc florets 15-30; corollas yellow (tubes with brown-purple band inside); style-branch appendages truncate-penicillate, 0.1-0.2 mm. Pappi white to tan, equal to or longer than cypselae.