Herbs Annual, 50-150 cm tall. Stems erect, stout, longitudinally ribbed,
Branches spreading upward. Ye Yu-lobed, 5-10 cm long, 4-8 cm wide, lobes oblong or lanceolate, margin sharply serrate, distal lobe of teeth with long fine awn; Flowers solitary, 5-8 cm in diameter, clavate swollen at apex of peduncle Involucral bracts 1.8-2 cm long, 1-1.5 cm wide, cup-shaped, apex dentate; ligulate yellow or dark orange, 2.9 cm long, tongue blade obovate, 1.4 cm long, 1.2 cm wide, base contracted growth claw, apical emarginate; tube flowers corolla Yellow, CA. 9 mm, Apex with 5 teeth cleft.
Achenes linear, base narrowed, black or brown, 8-11 mm long, short puberulent; Crown hairs with 1-2 long awn and 2-3 short and obtuse scales. Flowering period 7-9 months.