Herbs, perennial, dwarf. Taproot stout, caudex thick. Stem much reduced, almost absent, base clothed in papery (rarely fibrous) remnant sheaths. Leaves in basal rosette, 1–2-pinnate; ultimate segments ovate to lanceolate, toothed or pinnatifid; petiole sheathing at base. Umbels compound, primary umbel terminal, lax, mostly sessile, lateral umbels smaller, pedunculate; bracts and bracteoles linear-lanceolate, entire; rays of terminal umbel long, stout, purplish, unequal, rays of lateral umbels short. Calyx teeth obsolete. Petals white, oblong-obovate, base cuneate, apical lobule narrow, inflexed. Stylopodium low-conic, undulate at margin; styles longer than the stylopodium. Fruit ovoid-oblong, slightly compressed laterally, glabrous; ribs 5, filiform; vittae 3–4 in each furrow, 8 on commissure. Seed face plane. Carpophore thick, 2-fid.
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