膜苞藁本 mo bao gao ben

Selinum oliverianum H. de Boissieu, Bull. Herb. Boissier 2: 846. 1903; Ligusticopsis oliveriana (H. de Boissieu) Lavrova; Ligusticum daucoides (Franchet) Franchet var. souliei H. de Boissieu.

Plants 20–40 cm, glabrous throughout. Root fusiform. Stems multicipital, sparingly branched, base clothed in fibrous remnant sheaths. Basal and lower petioles (4–)10–20 cm; blade oblong-lanceolate, 2–6 × 1–2 cm, 2–3-pinnate, primary pinnae 5–7 pairs; ultimate segments linear, 2–5 × 0.5–1 mm. Upper leaves few, similar to basal, reduced. Umbels terminal and lateral, 2–3 cm across; bracts 5–10, lanceolate, apex pinnate, margin white membranous; rays 6–13, subequal, 1–2 cm; bracteoles 5–10, lanceolate, 1–2-pinnate or apex 3-lobed, rarely entire, margin white membranous, longer than umbellules. Calyx teeth obsolete. Petals white, oblong-obovate, base cuneate. Stylopodium short conic; styles reflexed. Fruit oblong-ovoid, 5–6 × 3–4 mm; dorsal and intermediate ribs filiform, lateral ribs narrowly winged; vittae 1–2 in each furrow, commissure. Seed face plane. Fl. Aug, fr. Sep–Oct.

Coniferous forests, alpine scrub and meadows, grassy valley slopes, marshland, rock crevices; 2000–4300 m. Hubei, NE and W Sichuan, S Xizang, NW Yunnan.