Plants biennial, 60–80 cm, slender, pubescent throughout. Taproot slender, short, ca. 5 cm. Stems several, much-branched. Lower petioles 3–7 cm; blade ternate; leaflets ovate, 10–30 × 3–5 mm, margins serrate. Upper leaves smaller, 1-pinnate, pinnae 2–3 pairs, or 3-lobed; lobes lanceolate or linear. Umbels numerous, 1–2 cm across; bracts and bracteoles absent; rays 4–5, 5–10 mm, unequal; umbellules ca. 5 mm across, 5–10-flowered; pedicels 1–2.5 mm. Calyx teeth obsolete. Petals white, cordate-ovate, base cuneate, apex with incurved lobule. Stylopodium low-conic; styles ca. 2 × stylopodium, reflexed. Young fruit ovoid, base cordate, surface pubescent (mature fruit not known). Fl. and fr. Jun–Sep.

This poorly known taxon is recorded only from a few collections.

Grassy slopes in valleys; 1200–4000 m. SE Xizang, NW Yunnan (Dêqên).