Herbaceous perennial, 0.2-1.5 m high, with taproot. Leaves 160-480 x 100-250 mm, 3-pinnate, with ultimate segments linear to ovate, soft. Flowers in compound umbels on elongate peduncles, yellowish. Involucre of few to many bracts. Calyx with 5 minute teeth. Flowering time Oct.-Jan. Fruit 8-21 x 7-13 mm, dorsally flattened, outline obovate, apex often notched due to broad marginal wings that extend beyond apex of stylopodium, vittae conspicuous, usually 6, 2 on inner face, and 4 on dorsal face.
Tufted, herbaceous perennial, up to 1 m tall. Leaves dying at flowering, scrambling, finely divided, soft, lobes linear-oblong. Umbels on a long, slightly branched peduncle, terminal one large, fertile, lateral ones 0-4, smaller, functionally male. Flowers yellowish. Fruit large, obovate, mericarps dorsally compressed, marginally winged, dorsally ribbed, homomorphic, vittae present, rib oil ducts inconspicuous.
Tufted perennial to 1 m. Leaves deciduous, scrambling, finely divided, soft, lobes linear-oblong, petioles flattened. Flowers in compound umbels on elongate peduncles, yellowish. Fruit large, obovate, mericarps dorsally compressed, marginally winged, dorsally ribbed, apex truncate or retuse, vittae present, rib oil ducts inconspicuous.