Japan Flora: Slightly cobwebby perennial; stems 50-100 cm. long; lower and median cauline leaves oblong-lanceolate, 10-20 cm. long, obtuse, spinulose, gradually narrowed at base, sessile, flat, coarsely incised-toothed; heads rather numerous, erect, the staminate smaller, with involucres about 13 mm. long, the pistillate involucres 35-20 mm. long, the bracts 8- seriate, the outer short, the median lanceolate; achenes about 2.5 mm. long. Aug.-Oct. Waste grounds and roadsides in lowlands.

Hokkaido, Honshu (n. distr.). Korea, Man­churia, China, Siberia, and e. Europe.