Herbs annual, 50-150 cm high. Stem erect, stout, with longitudinally slender ribs, branches spreading upward. Leaves pinnately divided, 5-10 cm long, 4-8 cm wide, lobes elliptic or lanceolate, margin sharply serrate, upper lobes with long thin awns at tooth ends; There are a few glands along the leaf margin. Inflorescences solitary, 5-8 cm long, peduncle apex cladate; Involucral bracts 1.8-2 cm long, 1-1.5 cm wide, cup-shaped, apically pointed; Lingual flowers yellow or dark orange; 2.9cm long, tongue obovate, 1.4cm long, 1.2cm wide, base shrinkage grew claws, tip slightly curved missing; Corolla yellow, ca. 9 mm long, apex 5-toothed.
Achene linear, base reduced, black or brown, 8-11 mm long, puberulent; The crests have 1-2 long awns and 2-3 short and blunt scales. Flowering from July to September.