滇芹 dian qin

Sinodielsia yunnanensis H. Wolff, Notizbl. Bot. Gart. Berlin-Dahlem 9: 278. 1925; Physospermopsis cruciata H. Wolff; P. forrestii Fedde ex H. Wolff (1929), not (Diels) C. Norman (1938); Pleurospermum cruciatum (H. Wolff) M. Hiroe; Sinodielsia microloba Kljuykov.

Plants 40–70 cm. Taproot fusiform, annular scars several, prominent. Basal petioles 2–13 cm, sheaths short, broad, membranous; blade 2–3-pinnate, 8–14 × 5–10 cm; pinnae 4–6 pairs, lower pinnae long-petiolulate; ultimate segments obovate-linear, 5–15 × 3–12 mm, widely spaced, deeply lobed or irregularly serrate. Leaves reduced upwards, uppermost small, short petiolate or sessile. Umbels 4–7 cm across; peduncles 8–15 cm; bracts 1–3, linear, 3–5 mm; rays 5–8, 2–6 cm, spreading; bracteoles 7–9, linear, ca. 5 mm; pedicels unequal. Calyx teeth lanceolate-acute, 0.3–0.6 mm. Petals ca. 1.2 × 1 mm. Fruit ca. 3 × 2 mm. Fl. Jul–Sep, fr. Sep–Oct.

Sparse forests on mountain slopes, grassy places, rock crevices; 2000–3500 m. SE Xizang, Yunnan.

The plants are used in Yunnan as a regional substitute for the medicine “gao ben” (Ligusticum sinense and L. jeholense).