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Peucedanum formosanum

Description from Flora of China

Peucedanum terebinthaceum (Fischer ex Treviranus) Ledebour subsp. formosanum (Hayata) Kitagawa.

Plant robust, 1–3 m. Stem tomentose in upper parts. Leaf blade broadly triangular, ternate or ternate-pinnate; ultimate segments ovate or long-ovate, irregularly parted or lobed, sharply serrate with setaceous teeth, base cuneate or truncate. Umbels 3–8 cm across; peduncles stout, tomentose; bracts few or absent, linear to lanceolate, 10–15 × 1–2 mm; rays 10–18, 2–4 cm, unequal, densely tomentose; bracteoles 10–12, ovate-lanceolate, caudate or 3-lobed, mostly longer than flowers, abaxially tomentose, margins white-ciliate; umbellules 15–25-flowered. Calyx teeth obsolete or inconspicuous. Petals white. Style short. Fruit oblong-ovate or suborbicular, 3–4 × 2–2.5 mm, densely hispid; lateral ribs winged, wings narrow and thick; vittae 3–5 in each furrow, 7–8 on commissure. Fl. and fr. Jul–Oct.

This species has reputed medicinal value.

Forest margins, grasslands; 600–2000 m. Guangdong, Guangxi, S Jiangxi, C Taiwan (Nantou).


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