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

12. Ligusticum discolor Ledebour, Fl. Altaic. 1: 321. 1829.

异色藁本 yi se gao ben

Pleurospermum discolor (Ledebour) M. Hiroe; Paraligusticum discolor (Ledebour) V. N. Tikhomirov

Plants 0.6–2 m, stout. Rootstock cylindrical. Stem single, erect, striate, hollowed and branching, base densely covered in fibrous remnant sheaths. Lower leaf petioles 20–40 cm; blade triangular-ovate, 30–35 × 20–25 cm, ternate-3-pinnate; ultimate segments ovate or oblong-ovate, 2–4 × 1–1.5 cm, puberulent on the veins, abaxially olivaceous, purplish. Upper leaves much reduced. Umbels 5–10 cm across, terminal and lateral; peduncle 20–40 cm, base of umbels densely pubescent; bracts 5–8, linear, 5–20 mm; rays 30–50, extremely unequal, 3–12 cm; bracteoles numerous, linear, 4–6 mm, shorter than umbellules. Calyx teeth obsolete. Petals white, ovate. Fruit oblong-ovoid, ca. 4 × 2.5 mm; dorsal and intermediate ribs filiform, lateral ribs narrowly winged; vittae 3–4 in each furrow, 8–10 on commissure. Seed face plane. Fl. and fr. Jul–Sep.

Montane scrub; ca. 1200 m. N Xinjiang [Kazakhstan, Kyrgyzstan, Russia (Siberia), Tajikistan].


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