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

52. Senecio asperifolius Franchet, J. Bot. (Morot). 10: 414. 1896.

糙叶千里光 cao ye qian li guang

Senecio henrici Vaniot; S. lebrunei H. Léveillé; S. luticola Dunn.

Herbs, perennial, with woody tuberous rhizomes. Stems solitary or 2- or 3-fasciculate, rather woody at base, erect or semidecumbent, 50-90 cm tall, branching, sparsely arachnoid, glabrescent, soon glabrous. Basal and lower leaves withered and shed by anthesis; median stem leaves rather crowded, numerous, sessile; blade lanceolate to linear, abaxially and marginally shortly hispid or asperulous, adaxially sparsely scabrid or glabrous, pinnately veined, lateral veins 12-14, obscure adaxially, base cuneate and not auriculate, margin revolute and obscurely remotely callose-denticulate or subentire, apex acute or apiculate; upper leaves linear, smaller. Capitula radiate, few to numerous, arranged in rather narrow and elongated terminal and upper axillary paniculoid thyrses; peduncles 1-2.5 cm, bracteate, ± arachnoid, with 1-10 linear-subulate bracteoles. Involucres campanulate or shortly turbinate, 7-9 × 4-8 mm, calyculate; bracts of calyculus 6-8, linear-subulate; phyllaries 13, lanceolate, 1-1.5 mm wide, herbaceous, sparsely arachnoid-tomentose, ± glabrescent, 3-veined, margin broadly scarious, apically acuminate or acute and shortly bearded. Ray florets 12 or 13; corolla tube ca. 4.5 mm; lamina yellow, oblong, 8-9 × ca. 2 mm, apically obtuse, 3-denticulate. Disk florets many; corolla yellow, ca. 6 mm, with ca. 2.5 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 1.2 mm, apically acute. Anthers ca. 2.2 mm, basally obtuse-auriculate, appendages ovate-lanceo-late; antheropodia stout, basally markedly expanded. Style branches ca. 2 mm. Achenes cylindric, 2.5-3 mm, pubescent. Pappus white, 5-6 mm. Fl. Oct-May.

● Dry grassy and rocky slopes; 700-2500 m. Guizhou, Sichuan, Yunnan.


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