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Annual or biennial herbs with a taproot. Leaves variously pinnatisect. Umbels compound, pedunculate, numerous; involucre and involucel present, the bracts pinnate, the bracteoles narrow and undivided. Flowers hermaphrodite. Calyx-teeth obsolete. Petals white or sometimes creamy, glabrous, incised above. Fruit narrowly elliptical to oblong-elliptical, only slightly laterally compressed, the mericarps slightly narrowed to the commissure, glabrous; primary ribs filiform, prominent, all similar; valleculae 1-vittate, commissure with 2 well-separated vittae; stylopodia conical; carpophore bifid. Endosperm bluntly pentagonal in section, commissural face slightly concave or almost flat.
Annual or biennial herbs, usually glabrous. Lvs 1-3-pinnate or ternate; segments narrow. Umbels compound, pedunculate; bracts several, long, simple or pinnate; bracteoles numerous. Petals white or yellowish, irregular, with apex deeply notched and inflexed; calyx teeth small or 0. Fr. ovoid or ovoid-oblong, slightly flattened laterally, not beaked, spineless; commissure narrow; ribs 5 per mericarp, equal, slender; vittae solitary in furrows.
