Tufted perennial to 60 cm. Leaves deciduous, finely divided, lobes linear-subterete, petioles terete. Flowers in compound umbels on elongate peduncles, ?yellowish. Fruit large, obovate, mericarps dorsally compressed, marginally winged, dorsally ribbed, apex deeply notched-auriculate, vittae present, rib oil ducts inconspicuous.