Chaerophyllum L.
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.
c. 40 spp., N. temperate regions. Naturalised sp. 1.
