马山前胡 ma shan qian hu

Plants 40–70 cm. Stem rigid, solid, tomentose near apex. Basal leaves numerous; leaf blade broadly triangular-ovate, 2–3-pinnatisect/pinnate; pinnae 2–4 pairs, pinnules 1–2 pairs; ultimate divisions long-ovate or long-rhombic, 1–3.5 × 0.3–3 cm, coriaceous, both surfaces glabrous, occasionally tawny tomentose along veins, base cuneate, margins irregularly incised. Upper leaves reduced, 2-pinnatisect; petioles sheathing throughout. Umbels 2–5 cm across; peduncles stout, apex densely tawny tomentose or hispid; bract absent; rays 9–18, spreading widely, 0.8–2 cm, tawny tomentose; bracteoles 4–5, linear-lanceolate, shorter than flowers; umbellules 10–15-flowered. Calyx teeth triangular-subulate. Petals white. Styles longer than stylopodium. Fruit ellipsoid, ca. 4 × 3 mm, dorsal ribs slightly prominent, lateral ribs winged, wing about 1/3 width of body, thin; vittae 3–4 in each furrow, 6 on commissure. Fl. and fr. Aug–Nov.

Scrub, mountain slopes, rock crevices; ca. 300 m. WC Guangxi (Mashan).