细苞藁本 xi bao gao ben

Ligusticopsis capillacea (H. Wolff) Leute; Pleurospermum capillaceum (H. Wolff) M. Hiroe.

Plants 6–20 cm, hispid throughout. Root stout, 8–25 × 0.5–1 cm; caudex 1–1.5 cm thick. Stems single or 2–4, unbranched or 1-branched, base densely covered in fibrous remnant sheaths. Basal petioles 2–5 cm; blade oblong-ovate, 4–8(–10) × 1.5–3 cm, 2-pinnate, pinnae 5–7 pairs; ultimate segments linear-lanceolate, 2–4 × ca. 1 mm. Cauline leaves 1–2, reduced. Umbels 2–5 cm across; peduncles up to 15 cm, base of umbels densely hispid; bracts 1–2, 1-pinnate, caducous; rays (4–)10–20, subequal, (1–)3 cm; bracteoles 6–8, similar to bracts, slightly exceeding umbellules. Calyx teeth obsolete. Petals white or purple, obcordate, pubescent, base cuneate. Styles ca. 0.5 × fruit, reflexed. Fruit oblong-ovoid, ca. 6 × 3 mm, glabrous; dorsal and intermediate ribs filiform, lateral ribs winged; vittae 1–3 in each furrow, 4–6 on commissure. Seed face plane. Fl. Jul–Aug, fr. Aug–Sep.

Sparse forests, alpine meadows; 2500–4000 m. W Sichuan, NW Yunnan.