Perennial, glabrous. Roots globose. Leaves much divided, 2-3-pinnatisect; segments filiform to linear. Flowers white to pinkish. Bracts and bractlets linear to lanceolate or lacking. Calyx teeth obsolete. Stylopodium flattened or conical; styles short or long, reflexed. Fruit ovoid to oblong or cylindrical; ridges promi¬nent; furrows 1-3-vittate. Inner seed face plane to slightly concave.