Plants 0.5–1 m, pubescent becoming subglabrous. Stem slender, corymbose-branched, lower branches alternate, upper branches verticillate. Leaf blade broadly elliptic-triangular, ternate-2-pinnatisect; ultimate segments oblong or lanceolate, 20–35 × 10–15 mm, remote, rather thick, adaxially glabrous, abaxially pubescent, sometimes sparsely papillose along veins, distally lobed, lobules entire or toothed. Terminal umbel long-pedunculate, lateral umbels 1–2, solitary or opposite, slightly exceeding terminal; umbels 4–6 cm across; bracts absent; rays 6–12, subequal; bracteoles lanceolate; umbellules 9–12-flowered. Stylopodium low-conic, base dilated, margins undulate. Fruit ellipsoid, ca. 7 mm; vittae 1 in each furrow, 2 on commissure. Fl. Jun, fr. Jul.