Japan Flora: Stoloniferous; stems 40-60 cm. long, leafy only near base, simple, long coarse glandular-hairy; radical leaves long-petiolate, ovate-cordate, about 6-10 cm. long and as wide, coarsely toothed and incised, glandular-hairy on underside, usually palmately 3-7-cleft to -parted, the petioles distinctly winged, the wings in lower cauline leaves broadly clasping the stems; panicles large, the heads about 1.5 cm. across; involucres gray-green, 1-1.2 cm. long, with long coarse hairs on back, the outer bracts ovate to narrowly oblong, about 1/3 as long as the inner; corollas blueavhite; achenes 3.5-4.5 mm. long; pappus about 7 mm. long. Aug.-Sept. Mountains;
Honshu, Shikoku, Kyushu.
f. heterophylla Matsum. & Koidz. Leaves undivided, rounded at base. Honshu.