Japan Flora: Biennial sparingly pilose herb; radical leaves tufted, 4-10 cm. long, 1-2 cm. wide, petiolate, lyrately pinnatiparted, usually obtuse, mucronate, the terminal segments large; scapiform stems ascending, 10-25 cm. long, fewleaved, the several heads in loose corymbs; heads nodding in fruit; involucres about 4.5 mm. long, as long as to slightly longer than the achenes, ellipsoidal or oblong; inner involncral bracts oblong-lanceolate; achenes pale yellow-brown, flattened, 3-angled, minutely mammillate, oblong-lanceolate, 4-4.5 mm. long, ribbed, witli 2 short hornlike appendages at apex. Apr.-June. Riverbanks, cultivated fields, and thickets in lowlands.