Herbs glabrous, perennial, monocarpic. Rootstock vertical, branched. Stem solitary, branched from the base, hollow, ribbed, base clothed in fibrous remnant sheaths. Basal leaves long-petiolate; blade 1–2-pinnatisect; terminal segments broadly ovate to obovate. Stem leaves reduced upwards. Umbels compound, terminal and lateral; bracts few; bracteoles numerous, linear, entire, connate at base. Calyx teeth obsolete. Petals greenish, emarginate, apex inflexed. Stylopodium flat, deeply lobed; styles reflexed. Fruit oblong, slightly dorsally compressed, glabrous; ribs ridged, subequal; commissure narrow; vittae 1 in each furrow, 2 on commissure. Seed face plane. Carpophore 2-cleft to base.
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