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FOC | Family List | FOC Vol. 14 | Apiaceae | Pleurospermum

13. Pleurospermum uralense Hoffmann, Gen. Pl. Umbell. ix. 1814. 1814.

棱子芹 leng zi qin

Pleurospermum camtschaticum Hoffmann.

Plants 1–2 m, robust. Root dark brown, 2–3 cm across, branched, strongly aromatic. Stem hollow, ribbed, scabrous to glabrous. Basal and lower petioles 15–30 cm, sheaths ovate, broad; blades broadly triangular-ovate, 15–30 cm, 2–3-ternate-pinnate; ultimate segments narrowly ovate or lanceolate, 2–6 × 0.5–2.5 cm, irregular-pinnatifid, veins and margin hirtellous. Leaves reduced upwards. Umbels large, 10–20 cm across; bracts numerous, linear or lanceolate, 2–8 cm, apex entire or pinnate, reflexed; rays 20–40(–60), unequal, hirtellous; bracteoles 6–9, linear-lanceolate, 5–10 × 1–3 mm, apex entire or pinnate; pedicels 10–12 mm, scabrous. Calyx teeth triangular-ovate. Petals broad-obovate, white, 2–2.5 mm. Stylopodium short-conic. Fruit broad-ovoid, 6–10 × 3–6 mm; ribs all thickly cristate-winged; vittae 1 in each furrow, 2 on commissure. Fl. Jun–Jul, fr. Jul–Aug. n = 11.

Stream banks in forests or mountain ravines. Hebei, Jilin, Liaoning, Nei Mongol, Shaanxi, Shanxi [Japan, Mongolia, SE Russia].

This species has reputed medicinal value. Chinese material previously recorded as Pleurospermum austriacum Linnaeus is referable to P. uralense.


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