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

17. Senecio liangshanensis C. Jeffrey & Y. L. Chen, Kew Bull. 39: 374. 1984.

凉山千里光 liang shan qian li guang

Senecio faberi Hemsley var. discoideus Lauener & D. K. Ferguson; S. milleflorus H. Léveillé (1914), not Greene (1900).

Herbs, perennial, rhizomatous. Stem solitary, erect, 30-60 cm tall, not branched below synflorescence, sparsely puberulent when young, soon glabrous. Basal and lower stem leaves withered by anthesis; median stem leaf petioles 3.5-12 cm, slender, narrowly winged, basally expanded into a toothed, subamplexicaul auricle; blade narrowly deltoid, 6-15 × 3.5-8 cm, papery, glabrous, pinnately veined, lateral veins 10-14, veins rather prominent abaxially, base hastate with triangular-lanceolate lateral basal lobes, margin irregularly coarsely mucronulate-dentate, apex acuminate. Upper leaves smaller, with shorter, rather more broadly winged petioles and more conspicuous auricles. Uppermost leaves sessile, lanceolate-attenuate, base subamplexicaul, margin denticulate. Capitula soon pendulous, discoid, numerous, arranged in rather congested terminal corymbiform stalked clusters; peduncles 5-7 mm, slender, minutely puberulent; bracteoles 2 or 3, filiform. Involucres cylindric-campanulate, ca. 6 × 2-2.5 mm, calyculate; bracts of calyculus 3 or 4, linear-subulate, unequal; phyllaries 8, linear, ca. 1 mm wide, herbaceous, glabrous, margin narrowly scarious, apically obtuse, blackish and fimbriate. Disk florets 10; corolla yellow, ca. 6.5 mm, with ca. 3 mm tube and funnelform limb; lobes ovate-triangular, ca. 1 mm, apically acute, papillose. Anthers ca. 1.8 mm, basally shortly obtuse-auriculate, appendages ovate-lanceolate; antheropodia rather elongated, narrow, basally hardly dilated. Style branches ca. 0.8 mm. Achenes cylindric, ca. 3 mm, glabrous. Pappus white, ca. 6 mm. Fl. Aug-Sep.

● Montane woods and meadows; 2600-3400 m. SW Sichuan, Yunnan.


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