Perennials, 40-80(-120) cm. Stems erect, stramineous to reddish, glabrous (resinous). Cauline leaf blades oblong to oblanceolate or linear, 15-50(-70) mm, lengths 3-6+ times widths, bases weakly clasping, margins usually entire, sometimes serrate (teeth mostly toward apices, apiculate), apices acute, faces glabrous, densely gland-dotted. Heads in paniculiform arrays. Involucres campanulate to obconic, 7-10 × 5-10 mm. Phyllaries in 4-7 series, linear to lanceolate, ± appressed, apices slightly recurved to nearly straight (outermost sometimes nearly patent), attenuate, slightly resinous. Ray florets 5-13; laminae 3-5(-7) mm. Cypselae stramineous to brown, 2.5-4 mm, apices knobby, faces striate (angles ± ribbed); pappi of 2 straight, smooth, setiform awns 3-4 mm, shorter than to nearly equaling disc corollas. 2n = 24.

Flowering Jun-Aug(-Oct). Meadows, woodland borders; of conservation concern; 600-700 m; Calif., Nev.