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Hairy, biennial or perennial herbs, often with stout tuberous roots. Lvs 1-5-pinnate or ternate; segments broad to narrow. Umbels compound, pedunculate; bracts few or 0, simple; bracteoles several, simple. Petals white, pink or yellow, regular or irregular, with apex notched and inflexed; calyx teeth 0. Fr. narrowly oblong or ovoid, slightly flattened laterally, tapering toward the scarcely beaked apex, spineless, but sometimes pubescent; commissure narrow; ribs 5 per mericarp, equal, broad and rounded; vittae solitary in furrows.
Fr linear-oblong to elliptic or lanceolate, flattened laterally; ribs paler than the intervals; oil-tubes usually solitary in the intervals, 2 on the commissure; carpophore ± cleft; umbels lateral and terminal, compound or by reduction simple; invol none; bractlets conspicuous; sep obsolete; fls white, the marginal ones sometimes irregular; stylopodium conic; annuals or biennials with ternate-pinnately decompound lvs. 40, N. Temp.
