Japan Flora: Glaucous biennial; stems 15-40 cm. long, erect, often branched at base; radical leaves linear-lanceolate, 10-25 cm. long, 7-15 mm. wide, acuminate, narrowed to a pctiolelike base, entire; cauline leaves few, 7-15 cm. long, sessile, sagittate; inflorescence umbelliform; heads about 8 mm. across, pedi- cellcd, yellow, nodding at maturity; involucres 7-8 mm. long in fruit, the inner bracts 8-9, narrowly lanceolate; achenes fusiform, obtuse at base, 3-3.5 mm. long, deeply sulcate, acutely winged, the beak about 1.5 mm. long; pappus snow- white, about 5 mm. long. May. Wet places around paddy fields.
Honshu, Shikoku, Kyushu; common. Ryukyus, Formosa, Korea, China, India to the Caucasus.
f. dissecta (Makino) Ohwi. Leaves pinnately dissected.