Fang feng is a perennial herb, is 30 to 80 cm high, and the whole plant is hairless. Root is stout. Caudex is densely covered with brown fibrous petiole residues. Stem is solitary, and usually with 2 branches. Basal leaves are triangular-ovate, 7 to 19cm long, 2 to 3 pinnately divided, and ultimately with bar-like to lanceolate lobes and entire margin. Petiole is 2 to 6.5cm long. Apical leaves are simplified and with extended sheath. Compound umbel is acrogenous. Cremocarp is ovoid, and when it is young with warts and when it is mature split into 2 carinal schizocarps, which are hung at the top of carpopodium. It blooms from August to September and fruits from September to October.