Plants perennial, ca. 40 cm, glabrous throughout. Roots unknown. Stem little-branched. Lower petioles 9–11 cm; blade broad-ovate or triangular-ovate in outline, 7.5–10 × 3.5–5 cm, 2–3-pinnate; primary pinnae 4–5 pairs; ultimate segments lanceolate. Upper leaves reduced, smaller. Umbels 10–14 cm across; bracts and bracteoles absent; rays 6–8, 3.5–5 cm; umbellules 15–20 mm across, 9–14-flowered; pedicels 5–10 mm, filiform. Calyx teeth obsolete. Petals white, broad obovate, base narrow, apex with small incurved lobule. Stylopodium domed; styles ca. 1 × stylopodium, spreading. Fruit oblong-ovoid, 5–7 × 2.5–3 mm, glabrous; vittae 3 in each furrow, 4 on commissure. Seed face slightly concave. Fl. and fr. Aug–Sep.
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