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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Ligularia

61. Ligularia altaica Candolle, Prodr. 6: 315. 1838.

阿勒泰橐吾 a le tai tuo wu

Ligularia glauca O. Hoffmann var. altaica (Candolle) Krylov; Senecillis altaica (Candolle) Kitamura; Senecio altaicus (Candolle) Schultz Bipontinus.

Plants grayish green. Stem erect, 10-150 cm tall, 4-10 mm in diam. at base, glabrous. Basal leaves petiolate; petiole 13-30 cm, glabrous, base narrowly sheathed, upper narrowly winged; leaf blade oblong, ovate-oblong, or elliptic, 8-50 × 3-35 cm, glabrous, pinnately veined, base cuneate, narrowed into a petiole, margin entire, apex obtuse or rounded. Stem leaves similar, but sessile, smaller distally, base semiamplexicaul, proximal leaves to 13.5 × 4 cm. Synflorescence racemose, 6-20 cm, glabrous; leaflike and supplementary bracts linear-subulate, less than 4 mm; peduncles to 1 cm. Capitula 5-17(-35). Involucre campanulate or subcupular, 6-10 × 5-7 mm, outside glabrous; phyllaries 7-9, in 2 rows, oblong or lanceolate, 1.5-3 mm wide, glabrous, apex acute or acuminate; inner phyllaries membranous at margin. Ray florets 4 or 5, yellow; lamina obovate or oblong, 6-7 × 3-4 mm, denticulate, apex rounded; tube ca. 4 mm. Tubular florets numerous (10-20), extending from involucre, ca. 7 mm; tube ca. 7 mm; limb narrowly cuneate. Achenes yellowish brown, cylindric, 4-7 mm. Pappus white, as long as tubular corolla. Fl. and fr. Jun-Aug.

Grassy slopes, forest margins; 1100-3000 m. Xinjiang (Altay) [Kazakhstan, Mongolia, Russia (Siberia)].


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