Herbs from stout rhizomes. Stems grayish-brown woolly or nearly glabrous. Radical leaves thick, reniform, 4-15×6-30 cm, margins mucronulate-dentate or subentire; petiole not winged, 10-38 cm long, dilated at base, slightly tomentose on both surfaces, becoming glabrous. Scapes 30-75 cm long, bracteate. Heads 4-6 cm long, in loose corymbs, peduncle 1.5-7 cm long. Involucre broadly tubular, in 1 series, 12-15×12-20 mm, bracteoles narrowly lanceolate, 4-7 mm long, involucral bracts equal, oblong, cuspidate, minutely puberulous. Ray florets in one series; corolla yellow, 3-4×0.5-0.6 cm. Disc florets: corolla yellow, 11-12 mm long, lobes 1.5 mm long. Achenes cylindric, 5-6.5 mm long, hairy. Pappus 8-11 mm long, dark brown, bristles unequal.
TAITUNG: Lanyu Is., Peng 10641; Lutao Is., Sata s. n. 1932.
China, Japan and Korea. Taiwan, confined to Lanyu and Lutao islands.
