Japan Flora: Stems 30-45 cm. long, gla­brous; median cauline leaves deltoid-hastate, petiolate, 6-8 cm. long, acuminate, sagittate, mucronately callose-toothed, cilio­late, glabrous above, sometimes short crisped-puberulent on the veins beneath, the upper leaves becoming smaller, oblong-lance­olate to lanceolate, long-acuminate, truncate to cuneate at base, short-petiolate; heads few or often solitary, on slender pedicels; involucres tubular, 9-10 mm. long, 6-8 mm. wide, cobwebby; bracts 6-seriate, sometimes purplish toward the margin, the outer short, acuminate, ovate, the median narrowly oblong, rounded, the inner linear, acute; corollas pale purple, about 10 mm. long.  Aug. Alpine regions.

Honshu (centr. and n. distr.).