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

40. Synotis lucorum (Franchet) C. Jeffrey & Y. L. Chen, Kew Bull. 39: 334. 1984.

丽江合耳菊 li jiang he er ju

Senecio lucorum Franchet, J. Bot. (Morot) 10: 415. 1896; S. bulleyanus Diels.

Herbs, rhizomatous. Rhizomes thick, woody. Stems 1-3, erect, 30-60 cm tall, at first sparsely arachnoid and fulvous pubescent, usually ± glabrescent, simple or branching in synflorescence, leafless or with only small scalelike leaves in lower part at anthesis. Leaves sessile or rarely subpetiolate; blade adaxially green, narrowly oblong-elliptic to lanceolate, 7-12 × 1.2-2.5 cm, papery, abaxially pallid and thinly arachnoid, adaxially sparsely arachnoid, sparsely fulvous pubescent and glabrescent, pinnately veined, lateral veins 10-14, arcuate-ascending, base attenuate, sometimes dilated and subamplexicaul, margin minutely denticulate to coarsely sinuate-dentate with mucronulate teeth, apex acute-acuminate. Upper leaves smaller, lanceolate. Capitula homogamous, discoid, numerous, usually 20-25 in rather dense terminal corymbs on synflorescence branches; peduncles 5-15 mm, densely fulvous pubescent and at first also white arachnoid, with a linear bract or bracteole. Involucres narrowly campanulate, 5-6 × 2-3.5 mm, calyculate; bracts of calyculus 4 or 5, linear, equaling or exceeding phyllaries, apically acute; phyllaries 8, oblong-lanceolate, 1-1.5 mm wide, subleathery, thinly arachnoid, glabrescent, margin narrowly scarious, apically acute and shortly ciliate. Ray florets absent. Disk florets 9-11; corolla yellow, ca. 9 mm, with ca. 3 mm tube and funnelform limb; lobes oblong-lanceolate, apically acute. Anthers ca. 3.3 mm, anther tails ca. 0.5 × as long as antheropodia; appendages ovate-oblong; antheropodia robust, basally somewhat dilated. Style branches ca. 2 mm, fringed with short papillae, terminal tuft not evident. Achenes ca. 3 mm, glabrous. Pappus straw-colored, ca. 6 mm. Fl. Jul-Aug.

● Forests, thickets, open slopes; 2800-4000 m. NW Yunnan.


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