Vasilis Teodoridis:
fern
Vasilis Teodoridis:
Vasilis Teodoridis:
Apiaceae | Ligusticum
23. Ligusticum delavayi Franchet; Bull. Soc. Philom. Paris; sér. 8. 6: 131. 1894.
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Plants 30–80 cm; glabrous. Root cylindrical; up to 10 cm. Stem single or multicipital; little-branched above. Basal and lower petioles 6–25 cm; blade oblong-ovate or lanceolate; 5–15 x 2–10 cm; 2–3-pinnate; primary pinnae 6–8 pairs; ultimate segments setuliform; 1–5 x ca. 0.5 mm. Upper leaves reduced; sessile; 1–2-pinnate. Umbels terminal and lateral; 3–10 cm across; bracts 1–4; linear-lanceolate; 5–15 mm; with white membranous margins; rays (6–)10–14; subequal; 3–4 cm; bracteoles 8–10; lanceolate; 5–8 mm; narrowly membranous margined. Calyx teeth conspicuous; subulate; ca. 0.5 mm; unequal. Petals white; obovate; base cuneate. Fruit oblong-ovoid; ca. 4 x 3 mm; dorsal and intermediate ribs raised; lateral ribs narrowly winged; vittae 3 in each furrow; 6 on commissure. Seed face plane. Fl. Aug–Sep; fr. Sep–Oct. 2n = 22*.
Montane thickets; alpine pastures; 2800–4500 m. S Xizang; NW Yunnan.