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Chinese Plant Names | Family List | Apiaceae | Ligusticum

Ligusticum involucratum Franch.


Description from Flora of China

Plants 12–40 cm, pilose throughout. Root fusiform, branched. Stem erect, profusely branched, base densely clothed with fibrous remnant sheaths. Basal petioles 3–9 cm; blade oblong-ovate or broad-lanceolate, 8–10 × 4–10 cm, pinnate, pinnae 4–5 pairs; ultimate segments oblong-ovate or oblong, 2–5 × 1.5–3 cm, densely pilose on veins, margins incised to pinnatifid. Cauline leaves similar to basal, reduced upwards. Umbels terminal and lateral, 3–9 cm across; bracts 7–10, 2–4 cm, pinnate, densely pilose; rays 20–35, subequal, 2.5–5 cm; bracteoles 10–12, longer than umbellules, 5–10 mm, pinnate, pilose. Calyx teeth conspicuous, triangular, ca. 0.5 mm. Petals white or faintly pinkish, obovate or obcordate, base shortly clawed. Fruit oblong-ovoid, ca. 4 × 2 mm; dorsal and intermediate ribs prominent, filiform, lateral ribs winged; vittae 1–3 in each furrow, 4–6 on commissure. Seed face plane. Fl. Jul–Aug, fr. Sep–Oct. 2n = 22*.

Coniferous forests, alpine scrub and meadows, riparian grasslands, rock crevices; 2800–4900 m. W Sichuan, SE Xizang, NW Yunnan.


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