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峨眉千里光Senecio faberi Hemsl.

峨眉千里光Senecio faberi Hemsl.

别名:峨嵋千里光;密伞千里光;小花里苦荬;

科名:菊科 Compositae

属名:千里光属 Senecio

《中国植物志》第77(1)卷269页
  35.峨眉千里光 密伞千里光 图版58: 7-10
  Senecio faberi Hemsl. in Journ. Linn. Soc. Bot. 23: 452. 1888, et Gard. Chron. ser. 3, 40: 43. 1906; Ling in Contr. Inst. Bot. Nat. Acad. Peip. 3: 126. 1935; Hand. -Mazz. Symb. Sin. 7: 1120. 1936, excl. syn. ; S. Y. Hu in Quart. Journ. Taiwan Mus. 21: 44. 1968, excl. syn. 中国高等植物图鉴4: 570. 图6554. 1975; C. Jeffrey et Y. L. Chen in Kew Bull. 39 (2): 394. 1984; 横断山区维管植物下册: 2099. 1994. ——Senecio kaschkarowii C. Wiakl. in Acta Hort. Petrop. 14; 152. 1895; Hand. -Mazz. in Acta Hort. Gothob. 12: 287. 1938; S. Y. Hu in Quart. Journ. Taiwan Mus. 21: 127. 1968, excl. syn.
  粗壮多年生草本,根状茎粗,径达2厘米,斜升,具长纤维状根。茎单生,直立,粗壮,中空,高80-150厘米,不分枝或上部具花序枝,幼时被疏柔毛,后变无毛。基生叶在花期枯萎,具长柄;叶片全形卵形,大头羽状分裂,顶生裂片大,具不规则粗齿或细分裂,基生裂片1-2对,小;叶柄基部渐扩大,略具鞘,但无耳;下部和中部茎叶大头羽状浅裂,长达40厘米,顶生裂片大,卵状三角形,长达18厘米,宽13-15厘米,顶端渐尖,基部戟形至截形,边缘具不规则粗齿,侧裂片1-2对,较小,不等长,长圆状披针形,渐尖,边缘具齿,近膜质,上面无毛,下面沿主脉被疏柔毛;叶柄长8-10厘米,多少具翅,基部有圆形的耳,半抱茎;上部叶渐小,无柄,卵状披针形至长圆形,长10-25厘米,宽5-12厘米,渐尖,边缘有不规则的粗齿和羽状狭撕裂,叶片与明显圆形抱茎具齿的叶耳相连接;最上部叶线状披针形至线形,长渐尖。头状花序有舌状花,极多数,排列成密集的复伞房花序;花序梗细,长3-10毫米,被柔毛,基部通常有线形苞片,小苞片2-3个,线状钻形。总苞狭钟状,长3-5毫米,宽1.5-2毫米,具外层苞片;苞片3-4,线形;总苞片8,线形,长3-4毫米,宽1毫米,钝,上端紫色,细流苏状,草质,具狭干膜质边缘,背面无毛。舌状花3-4;管部长2.5毫米,舌片黄色,线形,长4.5毫米,宽1毫米,上端具2-3细齿,有3-4脉;管状花6,孕,花冠黄色,长5.5毫米,管部长2.5毫米,檐部漏斗状;裂片长圆状披针形,长1.2毫米,急尖,上端有乳头状毛。花药长1 .6毫米,基部有钝耳;附片卵状长圆形,花药颐部较短而细,向基部稍膨大。花柱分枝长1毫米,顶端钝,有乳头状毛。瘦果圆柱形,长3毫米,无毛;冠毛白色,长4毫米。花期6-8月。
  产四川(峨眉山、荥经、泸定、大相岭)、贵州(黄平、清镇)。生于林下、灌丛及草坡,阴湿处,海拔950-2700米。模式采自四川峨眉山。
  C. Winkler(1895)据采自四川大相岭的标本(Kaschkarow无号)发表的S. kaschkarowii C. Winkl.,后来曾分别为Handel-Mazzetti和S. Y. Hu分别引证。但作者曾检查了该种的模式标本,发现它与本种完全相同,无疑是本种的同物异名。
形态特征:粗壮多年生草本,根状茎粗,径达2厘米,斜升,具长纤维状根。,茎单生,直立,粗壮,中空,高80—150厘米,不分枝或上部具花序枝,幼时被疏柔毛,后变无毛。基生叶在花期枯萎,具长柄;叶片全形卵形,大头羽状分裂,顶生裂片大,具不规则粗齿或细分裂,基生裂片1—2对,小;叶柄基部渐扩大,略具鞘,但无耳;下部和中部茎叶大头羽状浅裂,长达40厘米,顶生裂片大,卵状三角形,长达18厘米,宽13一15厘米,顶端渐尖,基部戟形至截形,边缘具不规则粗齿,侧裂片1—2对,较小,不等长,长圆状披针形,渐尖,边缘具齿,近膜质,上面无毛,下面沿主脉被疏柔毛;叶柄长8—10厘米,多少具翅,基部有圆形的耳,牛抱茎;上部叶渐小,无柄,卵状披针形至长圆形,长10—25厘米,宽5—12厘米,渐尖,边缘有不规则的粗齿和羽状狭撕裂,叶片与明显圆形抱茎具齿的叶耳相连接;最上部叶线状披针形至线形,长渐尖。头状花序有舌状花,极多数,排列成密集的复伞房花序;花序梗细,长3—10毫米,被柔毛,基部通常有线形苞片,小苞片2—3个,线状钻形。总苞狭钟状,长3—5毫米,宽1.5--2毫米,具外层苞片;苞片3—4,线形;总苞片8,线形,长3--4毫米,宽1毫米,钝,上端紫色,细流苏状,草质,具狭干膜质边缘,背面无毛。舌状花3—4;管部长2.5毫米,舌片黄色,线形,长4.5毫米,宽1毫米,上端具2—3细齿,有3—4脉;管状花6—9,花冠黄色,长5.5毫米,管部长2.5毫米,檐部漏斗状;裂片长圆状披针形,长1.2毫米,急尖,上端有乳头状毛。花药长1.6毫米,基部有钝耳;附片卵状长圆形,花药颈部较短而细,向基部稍膨大。花柱分枝长1毫米,顶端钝,有乳头状毛。瘦果圆柱形,长3毫米,无毛;冠毛白色,长4毫米。花期6—8月。
产地分布:产四川(峨眉山、荥经、泸定、大相岭)、贵州(黄平、清镇)。生于林下、灌丛及草坡,阴湿处,海拔950—2700米。模式采自四川峨眉山。
参考文献:Senecio faberi Hemsl.In Journ.Linn.Soc.Bot.23:452.1888,et Gard. Chron.Ser.3,40:43.1906;Ling in Contr. Inst.Bot.Nat.Acad.Peip.3:126. 1935;Hand.—Mazz.Symb. Sin.7:1120. 1936,excl. Syn.;S. Y. Hu in Quart. JOUlTI.TaiwanMus,21:44.1968,excl.Syn. 中国高等植物图鉴4:570。图6554. 1975;CJeffreyetY.L CheninKewBull.39(2):394,1984;横断山区维管植物 下册:2099.1994.——Senecio kaschkarowii C.Winkl.In Acta Hort.Petrop.14; 152。 1895;Hand.—Mazz. In Acta Hort. Gothob. 12:287. 1938;S. Y.Hu in Quart.Journ.TaiwanMus.21:127.1968,excl.Syn.

《Flora of China》 Vol. 20-21 (2011)
36. Senecio faberi Hemsley, J. Linn. Soc., Bot. 23: 452. 1888.
峨眉千里光 e mei qian li guang Senecio kaschkarowii C. Winkler.
Herbs, perennial, robust, rhizomatous. Stem solitary, erect, 80-150 cm tall, stout, fistulose, simple or branching into synflorescence above, sparsely pubescent when young, glabrescent. Basal leaves mostly withered by anthesis, long petiolate; petiole gradually expanded and somewhat sheathing but not auriculate at base; blade ovate, margin lyrate-pinnate with large irregularly coarsely dentate or lobulate terminal lobe and 2-4 small basal lobes. Lower and median stem leaf petioles 8-10 cm, ± winged, basally rounded-auriculate and subamplexicaul; blade lyrate-pinnatifid, to 40 cm, submembranous, abaxially sparsely pubescent on main veins, adaxially glabrous, with large ovate-triangular, to 18 × 13-15 cm, acuminate, irregularly coarsely dentate, hastate to truncate terminal lobe and 2-4 smaller, unequal, oblong-lanceolate, acuminate, dentate lateral lobes. Upper leaves smaller, sessile; blade ovate-lanceolate to oblong, 10-25 × 5-12 cm, blade confluent into prominent rounded semiamplexicaul dentate auricle, margin irregularly coarsely dentate and pinnately narrowly lacerate-lobulate, apex acuminate. Uppermost leaves linear-lanceolate to linear, apically acuminate-attenuate. Capitula radiate, very numerous, arranged in abundant terminal compound corymbs; peduncles 3-10 mm, slender, pubescent, usually linear-bracteate at base; bracteoles 2 or 3, linear-subulate. Involucres narrowly campanulate, 3-5 × 1.5-2 mm, calyculate; bracts of calyculus 3 or 4, linear; phyllaries 8, linear, 3-4 × ca. 1 mm, herbaceous, glabrous, margin narrowly scarious, apically obtuse, purplish and minutely fimbriate. Ray florets 3 or 4; corolla tube ca. 2.5 mm; lamina yellow, linear, ca. 4.5 × 1 mm, 3- or 4-veined, 2- or 3-denticulate. Disk florets 6-9; corolla yellow, ca. 5.5 mm, with ca. 2.5 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 1.2 mm, apically acute, papillose. Anthers ca. 1.6 mm, basally obtuse-auriculate, appendages ovate-oblong; antheropodia rather short, slender, basally slightly dilated. Style branches ca. 1 mm. Achenes cylindric, ca. 3 mm, glabrous. Pappus white, ca. 4 mm. Fl. Jun-Aug.● Forests, thickets, grassy slopes, shaded wet places; 900-2700 m. Guizhou, Shaanxi, Sichuan.

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