Herbs, perennial. Stem solitary, base clothed with fibrous remnant sheaths. Leaves 2–4-pinnate; ultimate segments lanceolate or rhombic, margins dentate. Bracts several, similar to the upper cauline leaves, pinnate, rarely entire; bracteoles linear or filiform, 2–3 × umbellules, reflexed. Calyx obsolete. Petals oblanceolate or obovate, base cuneate, apex acuminate, incurved. Stylopodium conical; styles short, reflexed. Fruit ovoid, scarcely dorsally compressed, glabrous, commissure narrow; ribs prominent, winged, wings on lateral ribs broader; vittae (1–)2–3 in each furrow, 4–6 on commissure. Seed face slightly concave. Carpophore 2-cleft to base.
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