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

2. Synotis duclouxii (Dunn) C. Jeffrey & Y. L. Chen, Kew Bull. 39: 293. 1984.

滇东合耳菊 dian dong he er ju

Senecio duclouxii Dunn, J. Linn. Soc., Bot. 35: 504. 1903; S. cichoriifolius H. Léveillé.

Herbs, erect, rhizomatous, woody at base. Vegetative stem solitary, 20-40 cm tall, somewhat tomentose especially in lower part, ± glabrescent, leafless except at apex. Flowering stems several, scapiform, short, branching from base, 7-9 cm tall, fine arachnoid-pubescent, glabrescent. Leaves crowded in a rosette at base of synflorescence, shortly petiolate; petiole 0.5-2 cm, sparsely pubescent or glabrous; blade obovate-lanceolate or elliptic, 8-22 × 3-9 cm, papery, abaxially very thinly arachnoid at first and soon glabrous, adaxially glabrous, pinnately veined, lateral veins 18-20, arcuate-ascending, abaxially like midvein prominent, base cuneate, margin remotely shallowly to coarsely sinuate-denticulate especially in upper half, apex acuminate or acute. Capitula radiate, ca. 1 cm in diam., numerous, arranged in much branched corymbose clusters; peduncles 5-15 mm, basally bracteate, usually with 1 or 2 linear bracteoles, arachnoid-pubescent. Involucres narrowly campanulate, ca. 5 × 2-3 mm, calyculate; bracts of calyculus 3 or 4; phyllaries 8, oblong, ca. 1 mm wide, herbaceous, arachnoid-tomentose, ± glabrescent, margin broadly scarious, apically acute and puberulent. Ray florets 6-10; corolla tube ca. 4 mm, slender, glabrous; lamina yellow, oblong-lanceolate, 6-7 × 1.5-2 mm, 4-veined, apically obtuse, 3-denticulate. Disk florets ca. 8; corolla 8-9 mm, with ca. 3.5 mm tube and funnelform limb; lobes ovate-oblong, ca. 2.7 mm, apically acute. Anthers ca. 4 mm; anther tails ca. 1.3 × as long as antheropodia; appendages ovate-oblong; antheropodia slightly dilated at base. Style branches ca. 1.5 mm, fringed with fine papillae and with a distinct central tuft of long papillae. Achenes 1.8-2 mm, glabrous. Pappus white, ca. 7 mm. Fl. Nov.

● Mixed forests; 700-2500 m. Yunnan.


 

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