Description from Flora of China
Herbs perennial, stout. Taproot elongate. Stem erect, much branched, purplish. Leaves long petiolate, sheaths membranous, purplish; blade 2-ternate, glabrous except veins and rachis densely pilose. Leaves reduced upwards, blade becoming 3-lobed. Inflorescence branching, umbels compound, terminal and lateral, rather small; bracts several, caducous; bracteoles several, persistent; rays and pedicels densely hispidulous with purplish hairs. Calyx teeth obsolete or minute, triangular. Petals dark purple, suborbicular, apex notched, with a narrow incurved tip. Ovary granular-puberulent. Stylopodium low-conic, dark purple, margin undulate; styles purple, reflexed. Fruit subglobose, compressed laterally, surface roughened, appearing granular; ribs 5, prominent; vittae 2–4 in each furrow, 6 on commissure. Seed face nearly plane. Carpophore 2-cleft to base.
(Authors: Pu Fading (溥发鼎 Pu Fa-ting); Mark F. Watson)