Herbs, perennial, glabrous, withering during summer, sprouting in winter to early spring. Taproot stout, fusiform or irregularly thickened. Stem erect, branched above, rigid, glaucous, base with papery remnant sheaths. Leaves petiolate; blade broadly ovate, ternate-2–3-pinnatisect. Umbels compound, loose; peduncles terminal and lateral; bracts absent or few; rays spreading; bracteoles few. Calyx teeth inconspicuous, minute. Petals white, oblong or ovate-lanceolate, apex acute and inflexed. Stylopodium low-conic; styles reflexed. Fruit ovoid-globose to ovoid-oblong, slightly flattened laterally, commissure constricted, 10–12 striped, smooth; ribs inconspicuous; vittae numerous (ca. 20), scattered throughout the mesocarp. Seed face deeply sulcate. Carpophore 2-parted.
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