Japan Flora: Plant about 20 cm. high; leaves lyrate, pinnately cleft, obtuse, acute or rounded, nearly glabrous; scapes few, slender, longer than the leaves at anthesis; heads 2-3 cm. across; outer involucral bracts 2-seriate, oblong, lanceolate or ovate-lanceolate, obtuse, less than half as long as the inner, the inner linear- lanceolate or ovate-lanceolate, obtuse, 12-14 mm. long, corniculate or sometimes not so; achenes about 5 mm. long, pale yellow-brown with spinelike tubercles on upper part.
Honshu (Kinki Distr. and westw.), Shikoku, Kyushu. Ryukyus.