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

99. Ligularia atkinsonii (C. B. Clarke) S. W. Liu, Acta Biol. Plateau Sin. 7: 31. 1988.

亚东橐吾 ya dong tuo wu

Senecio atkinsonii C. B. Clarke, Compos. Ind. 207. 1876; S. cacaliifolius Schultz Bipontinus var. atkinsonii (C. B. Clarke) Franchet; S. ligularia J. D. Hooker var. atkinsonii (C. B. Clarke) J. D. Hooker.

Stem erect, 60-83 cm tall, 5-9 mm in diam. at base, proximally glabrous, distally and synflorescence shortly brown pilose and white puberulent. Basal leaves petiolate; petiole 38-45 cm, slender, glabrous, base narrowly sheathed; leaf blade abaxially pale green, adaxially dark green, reniform or cordate-ovate, 7-11 × 8-16 cm, abaxially shortly pilose along veins, adaxially glabrous, palmately veined, base broadly cordate or sagittate, margin irregularly triangularly dentate and ciliate, apex rounded; sinus ca. 1/3 as long as leaf blade. Middle to distal stem leaves similar but smaller, petiolate; petiole to 12 cm; sheath ca. 7 × 1 cm. Synflorescence racemose, 9-30 cm; leaflike bracts linear, shorter than peduncle or proximal ones linear-lanceolate, longer; peduncles 5-11 mm, equal or proximal peduncles longer. Capitula numerous; supplementary bracts linear, as long as involucre. Involucre campanulate, 7-11 × ca. 5(-7) mm, outside glabrous; phyllaries 8 or 9, in 2 rows, oblong or lanceolate, 1.5-2.5 mm wide, apex acute; inner phyllaries broadly membranous at margin. Ray florets yellow; lamina narrowly oblong, 8-10 × ca. 2 mm, apex rounded or subtruncate. Tubular florets 10-13, 6-7 mm; tube 2-3 mm; limb to 2 mm wide. Pappus white, slightly shorter than tubular corolla. Fl. Jun-Jul.

Stream banks, forest understories; 3000-3500 m. S Xizang [Bhutan, India (Sikkim)].


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