Rhizomatous, erect perennial, glabrous herbs, 10-70 cm tall with simple or branched stem. Leaves subrosulate, with 1-10 cm long petiole; blades 5-10 x 1-5 cm, oblanceolate, glabrescent, entire to broadly dentate or sometimes lyrate, obtuse; middle and upper leaves sessile, lanceolate, 0.5-2 x 0.2-0.8 cm. Capitula heterogamous, radiate, usually solitary or sometimes 2-5 in loose corymbs, 1.5-3.5 x 3.5-6 cm. Peduncles 1-10 cm long. Involucre braodly campanulate, 1-2 cm across; phyllaries 15-25, 1-1.5 x 0.15-0.3 cm, linear lanceolate, glabrous; outer bracts 6-10, linear or filiform, 3-10 x 0.5-2 mm. Ray-florets yelow, 8-15, 12-25 (30) x 2.5-5.5 mm, 4-10-nerved. Disc-florets numerous, yellow, 1-1.5 cm long. Anthers obtusely sagittate at the base. Cypsela cylindric, 6-8 x 1-1.8 mm long, ribbed, glabrous. Pappus white, 1-1.5 cm long.