Japan Flora: Stoloniferous; stems 80-150 cm. long, leafy throughout, usually simple, smooth or sparsely coarse-hairy; median cauline leaves ovate- deltoid, sagittate, long winged-petiolate, shallowly incised or pinnately cleft to parted, the segments retrorse, 8-17 cm. long, 6-J2 cm. wide, often with spreading coarse hairs on nerves beneath, the upper leaves narrowly lanceolate, smaller, pin­nately few-cleft or entire, acuminate, sessile; panicles large, the heads 3.5-4 cm. across; corollas pale yellow; involucres nearly glabrous, the outer bracts lanceolate, about half as long as the inner; achenes 7-9 mm. long, linear; pappus as long as the achene. Sept.-Oct.

Honshu (Kinki Distr, and eastw.).