Japan Flora: Stems 50-100 cm. long, densely leafy, winged, crisped-pubescent or glabrous; radical leaves ovate-oblong, 15- 17 cm. long, short-acuminate, usually truncate at base, mucronate callose-toothed, scabrous toward the margin, loosely cobwebby on both sides, short crisped-hairy on the veinlets beneath, long-petiolate, the cauline acuminate, truncate or gradually narrowed at base, short winged-petiolate and decurrent; inflorescence densely corymbose; involucres narrowly cylindric, 11-12 mm. long, 5-6 mm. wide, the bracts 4-seriate, the outer ovate, short-mucronate, green, longer than the inner, the inner linear, scarious, often purplish at apex; corollas purplish, 13-14 mm. long. July-Sept.