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

5. Heracleum bivittatum H. de Boissieu, Bull. Herb. Boissier, sér. 2. 3: 855. 1903.

二管独活 er guan du huo

Plants 80–100 cm high. Leaf blade ovate or broad-ovate, 2-pinnate, primary pinnae 3–4 pairs, ultimate segments ovate-oblong, 3–7 × 1.5–3 cm, margins irregularly incised or sharply serrate, apex acuminate. Upper leaves smaller, sessile, pinnate, pinnae lanceolate. Peduncles 10–20 cm; bracts 3–5, lanceolate, 4–5 mm, reflexed; rays 15–20, extremely unequal, 2–6 cm, pubescent; bracteoles lanceolate or linear. Calyx teeth triangular. Petals white, outer flowers in umbel somewhat radiant. Fruit obovoid, 5–6 × ca. 5 mm; dorsal and intermediate ribs filiform, closely spaced; lateral ribs broadly winged, wings ca. 1.5 mm wide, wider than width of mericarp body; vittae filiform, extending almost the length of the mericarp body, solitary in each dorsal furrow, 2 in each lateral furrow, 2–6 on commissure. Seed face plane. Fl. Jul–Sep, fr. Sep–Oct.

Montane forest margins; ca. 3000 m. Guangxi, Guizhou, SW Sichuan, S and W Yunnan [Laos, Vietnam].

This species has reputed medicinal value.


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