中文名（Chinese Name）：千里光
学名（Scientific Name）：Senecio scandens Buch.-Ham. ex D.Don
英文名（English Common Name）：
别名（Chinese Common Name）：九里明、蔓黄菀
异名（Synonym）：Cineraria chinensis Spreng.  Senecio hindsii Benth.  Senecio campylodes DC.  Senecio chinensis (Spreng.) DC.  Senecio solanifolius J. F. Jeffrey  Senecio hibernus Makino
科属（Family & Genus）：菊科（Compositae）千里光属
形态特征（Description）：多年生攀援草本，根状茎木质，粗，径达1.5厘米。茎伸长，弯曲，长2-5米，多分枝，被柔毛或无毛，老时变木质，皮淡色。叶具柄，叶片卵状披针形至长三角形，长2. 5-12厘米，宽2-4.5厘米，顶端渐尖，基部宽楔形，截形，戟形或稀心形，通常具浅或深齿，稀全缘，有时具细裂或羽状浅裂，至少向基部具1-3对较小的侧裂片，两面被短柔毛至无毛；羽状脉，侧脉7-9对，弧状，叶脉明显；叶柄长0.5-1(-2) 厘米，具柔毛或近无毛，无耳或基部有小耳；上部叶变小，披针形或线状披针形，长渐尖。头状花序有舌状花，多数，在茎枝端排列成顶生复聚伞圆锥花序；分枝和花序梗被密至疏短柔毛；花序梗长1-2厘米，具苞片，小苞片通常1-10，线状钻形。总苞圆柱状钟形，长5-8毫米，宽3-6毫米，具外层苞片；苞片约8，线状钻形，长2-3毫米。总苞片12-13，线状披针形，渐尖，上端和上部边缘有缘毛状短柔毛，草质，边缘宽干膜质，背面有短柔毛或无毛，具3脉。舌状花8-10，管部长4.5毫米；舌片黄色，长圆形，长9-10毫米，宽2毫米，钝，具3细齿，具4脉；管状花多数；花冠黄色，长7.5毫米，管部长3.5毫米，檐部漏斗状；裂片卵状长圆形，尖，上端有乳头状毛。花药长2.3毫米，基部有钝耳；耳长约为花药颈部1/7；附片卵状披针形；花药颈部伸长，向基部略膨大；花柱分枝长1.8毫米，顶端截形，有乳头状毛。瘦果圆柱形，长3毫米，被柔毛；冠毛白色，长7.5毫米。
分布（Distribution）：产西南、华东、华南等地，生于海拔50-3200米的森林、灌丛中。东南亚及日本也有。
用途（Use）：
引自中国植物志英文版FOC Vol. 20-21 Page 510, 533
Senecio scandens Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 178. 1825.
千里光 qian li guang | Asteraceae  | Senecio
Herbs, perennial, scandent, rhizomatous. Stems elong ated, flexuous, 2-5 m, much branched, pubescent or glabrous, becoming woody and with pale bark when old. Leaf petiole 0.5-1(-2) cm, pubescent or subglabrous, base not auriculate or with small auricle; blade ovate-lanceolate to narrowly triangular, 2.5-12 × (1.5-)2-4.5 cm, both surfaces shortly pubescent to glabrous, pinnately veined, base broadly cuneate, truncate, hastate, or rarely cordate, margin rarely subentire, usually shallowly or deeply dentate, sometimes lobulate or pinnatifid, at least toward base, with 2-6 smaller lateral lobes, apex acute-acuminate. Upper leaves smaller, lanceolate or linear-lanceolate, apically attenuate. Capitula radiate, numerous, arranged in abundant, divaricately branching, terminal compound thyrses; branches and peduncles densely to sparsely puberulent; peduncles 1-2 cm, bracteate, usually with 1-10 linear-subulate bracteoles. Involucres cylindric-campanulate, 5-8 × 3-6 mm, calyculate; bracts of calyculus ca. 8, linear-subulate, 2-3 mm; phyllaries 12 or 13, linear-lanceolate, herbaceous, puberulent or glabrous, 3-veined, margin broadly scarious, acuminate and ciliate-puberulent on upper margins and apex. Ray florets 8-10; corolla tube ca. 4.5 mm; lamina yellow, oblong, 9-10 × ca. 2 mm, 4-veined, apically obtuse, 3-denticulate. Disk florets many; corolla yellow, ca. 7.5 mm, with ca. 3.5 mm tube; lobes ovate-oblong, apically acute, papillose. Anthers ca. 2.3 mm, basally obtuse-auriculate; auricles ca. 1/7 as long as antheropodia; appendages ovate-lanceolate; antheropodia elongated, basally slightly expanded. Style branches ca. 1.8 mm. Achenes cylindric, ca. 3 mm, pubescent. Pappus white, ca. 7.5 mm. Fl. Aug-Apr or Oct-Dec. 2n = 20.
Climbing in forests and thickets, on shrubs, over rocks, on buildings, by streams, mountain slopes; sea level to 4000 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bhutan, Cambodia, India, Japan, Laos, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam].
（责任编辑：徐晔春）