Scandent herb. Leaves ternately divided, the pinnae and leaflets stalked; leaflets broad, with regular setaceous-mucronate teeth. Umbels numerous, compound, pedunculate; involucre and involucel conspicuous, of several broad bracts and bracteoles. Flowers probably polygamous. Calyx-teeth obsolete. Petals small, white to greenish-or yellowish-white, glabrous, scarcely incised above but with an incurved apical lobule. Fruit glabrous, scarcely compressed, ovoid-elliptic, the mericarps distinctly narrowed to the commissure; primary ribs prominent, acute, somewhat corky, all similar; valleculae each with a single broad, very shallow vitta, the commissure bivittate; stylopodia conical, styles short; carpophore (completely ripe fruit not seen) apparently undivided. Endosperm pentagonal in section with ± equal sides.
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