Stems erect, 80-110 cm tall, crisp puberulous on upper half, branching apically, branches divaricate-ascending. Lower leaves smaller, to 1 cm long, short-petiolate, broadly ovate, dentate, sometimes trifid; median cauline leaves opposite, long-petiolate, tripartite, middle lobes largest, lanceolate, trifid, 10-15×2.5-3 cm, apex acuminate, base acute, margins crenate-serrate, upper surface green and sparsely puberulous, lower surface pale and glandular, densely appressed puberulous along nerves, lateral lobes smaller, lanceolate, thin; upper leaves slightly smaller, tripartite or undivided. Inflorescence of lax corymbs; involucre cylindric, 5 mm long, 5-flowered, bracts ca. 10, biseriate, apex obtuse or subacute, outer ones much shorter. Achenes 2 mm long, 5-angular, black, glabrous. Pappus scanty, white, 3 mm long. Chromosome number, 2n = 20 (Peng & Hsu, 1978).

TAIPEI: Tatunshan, Peng 2591. ILAN: Nanshan, Hsu 5578. MIAOLI: Tapachienshan, Hsu 16665. TAICHUNG: Pahsienshan, Liu 312. NANTOU: Chitou, Yang 163. KAOHSIUNG: Chishan, Huang 6525. PINGTUNG: Wutoushan, Tzang 153. TAITUNG: Lanyu Is., Chang 10239. HUALIEN: Lanshan, Hsu 3535.

Himalaya and China. Taiwan, a polymorphic species widespread throughout the island, on hillsides, sunny wastelands and forest edges, from sea level to 3,000 m.