山西西风芹 shan xi xi feng qin

Seseli schansiense Fedde ex H. Wolff.

Plants 50–70 cm, monocarpic. Caudex simple. Stem solitary, branched from middle, densely pubescent under synflorescence. Basal leaves subsessile, sheaths broadly lanceolate, pubescent; blade triangular-ovate, 8–13 × 5–8 cm, 2-pinnately dissected; pinnae long-petiolulate; ultimate segments sessile, lateral segments obovate-oblong or rhombic, 2–3-lobed, terminal segments obovate-cuneate, 3-lobed, base decurrent, abaxially gray-green, sparsely puberulous on both surfaces, especially abaxially and margins. Umbels 3–7 cm across; peduncles densely pubescent; bracts absent or several, linear or linear-lanceolate, small, puberulous; rays 6–12, 1.5–4 cm, very unequal, pubescent; bracteoles 8–10, linear-lanceolate, exceeding flowers, apex caudate; umbellules 16–30-flowered; pedicels 2–4 mm. Petals white, abaxially puberulous. Stylopodium low-conic, base undulate; styles reflexed. Fruit oblong, slightly dorsally compressed, 3–5 × 2–3.5 mm, puberulent; ribs all filiform, acute-keeled; vittae 2–3 in each furrow, 4–6 on commissure. Fl. and fr. Aug–Sep.

Mountain slopes, grasslands, roadsides; ca. 1000 m. S Shanxi (Quwo).

This poorly known taxon is recorded only from the type gathering.