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匙叶千里光Senecio spathiphyllus Franch.

匙叶千里光Senecio spathiphyllus Franch.

别名:蓖叶千里光;

科名:菊科 Compositae

属名:千里光属 Senecio

《中国植物志》第77(1)卷276页
  40.匙叶千里光 图版61: 7-11
  Senecio spathiphyllus Franch. in Journ de Bot. 10: 416. 1896; Hand. -Mazz. Symb. Sin. 7: 1125. 1936; S. Y. Hu in Quart. Journ. Taiwan Mus. 21: 147. 1968; C. Jeffrey et Y. L. Chen in Kew Bull. 39 (2): 400. 1984. 横断山区维管植物下册: 2100. 1994.
  多年生近葶状草本,根状茎斜升,径5-6毫米,具较粗纤维状根。茎单生,直立,高25-60厘米,不分枝,近葶状,无毛。基生叶和下部茎叶在花期生存,莲座状,具柄,椭圆形,倒披针形或匙形,长达19厘米,宽1.5厘米,顶端钝,基部楔状狭成长叶柄,边缘有浅波状细齿,不明显羽状脉,两面无毛;中部和上部茎叶少数,疏生,无柄,倒匙状线形或线状披针形,长3-7厘米,0.4-1厘米,短尖或渐尖,基部多少扩大,半抱茎,边缘有软骨质细齿;最上部叶苞片状。头状花序有舌状花,3-10个排列成顶生近伞形状伞房状花序;花序梗细,长5-15毫米,被疏柔毛,具线状苞片,3-5线状钻形小苞片。总苞圆柱状钟形,长6-7毫米,宽3.5-4毫米,具外层苞片;苞片7-8,线状钻形,长2毫米上端黑褐色,有疏短柔毛;总苞片约13,几长圆状披针形,宽1-1.5毫米,尖,上端黑色,具短髯毛,草质,边缘宽干膜质,背面多少无毛。舌状花6-8,管部长3毫米;舌片黄色,长圆形,长6毫米,宽2毫米,上端有3深细齿,有4脉;管状花多数,花冠黄色,长7毫米,管部长4毫米,檐部漏斗状;裂片卵状长圆形,长1毫米,尖,上端有乳头状毛。花药长2毫米,基部有钝耳,附片卵状披针形;花药颈部较细,向基部稍膨大,花柱分枝长0.7毫米,截形,顶端具乳头状毛。瘦果圆柱形,长3毫米,有柔毛或无毛。冠毛白色,长7毫米。花期5-8月。
  产云南西北部(大理、丽江、中甸、维西、永宁等)。生于海拔1500-3000米湿草甸和草坡。模式采自云南大理。
形态特征:多年生近葶状草本,根状茎斜升,径5—6毫米,具较粗纤维状根。茎单生,直立,高25—60厘米,不分枝,近葶状,无毛。基生叶和下部茎叶在花期生存,莲座状,具柄,椭圆形,倒披针形或匙形,长达19厘米,宽1.5厘米,顶端钝,基部楔状狭成长叶柄,边缘有浅波状细齿,不明显羽状脉,两面无毛;中部和上部茎叶少数,疏生,无柄,倒匙状线形或线状披针形,长3—7厘米,0.4—1厘米,短尖或渐尖,基部多少扩大,半抱茎,边缘有软骨质细齿;最上部叶苞片状。头状花序有舌状花,3—10个排列成顶生近伞形状伞房状花序;花序梗细,长5—15毫米,被疏柔毛,具线状苞片,3—5线状钻形小苞片。总苞圆柱状钟形,长6—7毫米,宽3.5—4毫米,具外层苞片;苞片7--8,线状钻形,长2毫米上端黑褐色,有疏短柔毛;总苞片约13,长圆状披针形,宽1—1.5毫米,尖,上端黑色,具短髯毛,草质,边缘宽干膜质,背面多少无毛。舌状花6—8,管部长3毫米;舌片黄色,长圆形,长6毫米,宽2毫米,上端有3深细齿,有4脉;管状花多数,花冠黄色,长7毫米,管部长4毫米,檐部漏斗状;裂片卵状长圆形,长1毫米,尖,上端有乳头状毛。花药长2毫米,基部有钝耳,附片卵状披针形;花药颈部较细,向基部稍膨大,花柱分枝长0.7毫米,截形,顶端具乳头状毛。瘦果圆柱形,长3毫米,有柔毛或无毛。冠毛白色,长7毫米。花期5—8月。
产地分布:产云南西北部(大理、丽江、中甸、维西、永宁等)。生于海拔1500—3000米湿草甸和草坡。模式采自云南大理。
参考文献:Senecio spathiphyllus Franch.In JOLlrll de Bot.10:416.1896;Hand.—Mazz. Synlb.Sin.7:1125. 1936;S.Y.Hu in Quart.Journ.Taiwan Mus.21:147. 1968;C.JeffreyetY.L CheninKewBull.39(2):400.1984.横断山区维管植物下册:2100.1994.

《Flora of China》 Vol. 20-21 (2011)
41. Senecio spathiphyllus Franchet, J. Bot. (Morot). 10: 416. 1896.
匙叶千里光 shi ye qian li guang Ligularia yui S. W. Liu.
Herbs, perennial, subscapigerous, rhizomatous. Stem solitary, erect, 25-60 cm tall, subscapiform, simple, glabrous. Basal and lowermost stem leaves present at anthesis, rosulate, petiolate; blade elliptic, oblanceolate, or spatulate, to 19 × 1.5 cm, glabrous, obscurely pinnately veined, base cuneate or attenuate into petiole, margin shallowly sinuate-denticulate, apex obtuse. Median and upper stem leaves few, remote, sessile; blade oblanceolate-linear, linear-lanceolate, or linear, 3-7 × 0.4-1 cm, base ± dilated and subamplexicaul, margin callose-denticulate, apex obtusely to acutely ± acuminate; uppermost leaves bractiform. Capitula radiate, 3-10 in a terminal subumbelliform corymb; peduncles 5-15 mm, slender, sparsely pubescent, linear-bracteate, with 3-5 linear-subulate bracteoles. Involucres campanulate-cylindric, 6-7 × 3.5-4 mm, calyculate; bracts of calyculus 7 or 8, linear-subulate, ca. 2 mm, sparsely puberulent, dark at apex; phyllaries ca. 13, oblong-lanceolate, 1-1.5 mm wide, herbaceous, ± glabrous, margin broadly scarious, apically acute, dark and shortly bearded. Ray florets 6-8; corolla tube ca. 3 mm; lamina yellow, oblong, ca. 6 × 2 mm, 4-veined, apically deeply 3-denticulate. Disk florets many; corolla yellow, ca. 7 mm, with ca. 4 mm tube and funnelform limb; lobes ovate-oblong, ca. 1 mm, apically acute, papillose. Anthers ca. 2 mm, basally obtuse-auriculate, appendages ovate-lanceolate; antheropodia rather slender, basally slightly dilated. Style branches ca. 0.7 mm. Achenes cylindric, ca. 3 mm, pubescent or glabrous. Fl. May-Aug.● Wet meadows, grassy slopes; 1500-3000 m. Sichuan (Muli), NW Yunnan.

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