Conium L.
Glabrous, annual or biennial herb. Lvs 2-4-pinnate; segments broad. Umbels compound, pedunculate; bracts and bracteoles few, entire. Petals white, regular, with entire, obtuse, shortly inflexed apex; calyx teeth 0. Fr. ovoid to subglobose, flattened laterally, not beaked, spineless; commissure narrow; ribs 5 per mericarp, equal, prominent and usually undulate; vittae 0.
1 sp., Europe, Asia, N. Africa. Naturalised sp. 1.
