Pimpinella chungdienensis C. Y. Wu

Plants perennial, 30–70 cm, sparsely pubescent. Taproot cylindrical, ca. 5 × 0.8 cm. Stems 1(–2), slender, 2–3-branched or unbranched. Basal petioles 4–6 cm; blade ternate or 1-pinnate; pinnae 2–3 pairs, cordate-ovate, 1–3 × 1–2.5 cm, pubescent, margins coarsely serrate. Cauline leaves similar to the basal, smaller, 1-pinnate or 3-lobed, lobes lanceolate. Umbels 2.5–3 cm across; bracts absent, occasionally 1, linear, like uppermost leaf; rays 4–10, 5–25 mm, slightly unequal, pubescent; bracteoles 1–3, linear, ca. 3 mm, shorter than pedicels; umbellules ca. 7 mm across, 6–10-flowered; pedicels 2–4 mm. Calyx teeth obsolete. Petals white, obovate, base cuneate, apex with incurved lobule. Stylopodium low-conic; styles 1–1.5 × stylopodium, spreading. Fruit ovoid-globose, ca. 1 × 1 mm, densely pubescent; vittae 3 in each furrow, 4 on commissure. Seed face plane. Fl. Jul–Sep, fr. Aug–Sep.

W Sichuan, E Xizang, NW Yunnan.

Coniferous forests, among shrubs along streamsides, grasslands, rock crevices; 2400–3500 m.