Plants 40–60 cm, completely glabrous. Stem solitary, usually unbranched, thinly fluted. Basal leaves few; petioles short, sheathing throughout, scarious-margined; leaf blade long-ovate or elliptic, 1–2-pinnate/pinnatisect; pinnae 2–4 pairs, remote; ultimate segments linear-lanceolate, often slightly falcate, 10–35 × 1–3 mm, glaucous-green. Stem leaves few, reduced upwards, blade usually 3-parted. Umbels 3–6 cm across; bracts absent or 1–2, subulate, caducous; rays 7–12, 2.5–4 cm, unequal, glabrous; bracteoles 10–13, lanceolate-linear, unequal, shorter than flowers, scarious-margined; umbellules 15–20-flowered; pedicels unequal. Calyx teeth triangular-lanceolate, acute. Petals white. Stylopodium deep purplish-red; styles longer than stylopodium. Fruit obovoid or ovoid, 5–6 × 4–4.5 mm; dorsal ribs prominent, lateral ribs winged, wings ca. 1 mm, ca. 1/3 width of body, thin; vittae 3 in each furrow, 4–6 on commissure. Fl. Jul, fr. Aug.

Dry grassy slopes; ca. 1900 m. NE Xinjiang (Barkol) [N Mongolia, Russia (Siberia)].