栏目

闽粤千里光Senecio stauntonii DC.

闽粤千里光Senecio stauntonii DC.

科名:菊科 Compositae

属名:千里光属 Senecio

《中国植物志》第77(1)卷293页
  53.闽粤千里光
  Senecio stauntonii DC., Prodr. 6: 363. 1838; Benth. Fl. Hongkong. 190. 1861; Forbes et Hemsl. in Journ. Linn. Soc. Bot. 23: 438. 1888; Hand. -Mazz. in Beih. Bot. Centralbl. 56 (B): 469. 1937; S. Y. Hu in Quart. Journ. Taiwan Mus. 21: 146. 1968;中国高等植物图鉴4: 565.图6543. 1975; C. Jeffrey et Y. L. Chen in Kew Bull. 39 (2): 418. 1984.
  多年生根状茎草本,根状茎微直立或半攀援,具少数纤维状根。茎单生,直立或稍斜升,通常弯曲,高30-60厘米,分枝,具棱,无毛。基生叶在花期迅速枯萎;茎叶多数,无柄,卵状披针形至狭长圆状披针形,长5-12厘米,宽1-4厘米,顶端渐尖或狭,基部具圆耳,半抱茎,边缘内卷,具浅不明显至明显疏细齿,革质,上面有贴生短毛,下面沿脉有疏短毛至无毛,羽状脉,侧脉7-9对,耳全缘至有齿,或具短撕裂,抱茎;上部叶渐小,较狭。头状花序有舌状花,少数至较多数,排列成顶生疏伞房花序;花序梗长1.5-3.5厘米,无毛或被疏短柔毛,有基生苞片及数个线状钻形小苞片。总苞钟状,长7毫米,宽5-7毫米,具外层苞片;苞片6-8,线状钻形,长2-3毫米,尖,有短柔毛;总苞片13,线状披针形,宽1-1.5毫米,顶端渐尖或尖,上端和上部边缘有缘毛,草质,边缘狭干膜质,背面无毛或疏短柔毛,具3脉。舌状花8-13,管部长3.5毫米,近上部有微毛;舌片黄色,长圆形,长8毫米,宽2.5毫米,顶端钝,有3细齿,具4脉;管状花多数,花冠黄色,长7毫米,管部长3毫米,檐部漏斗状;裂片卵状披针形,长1.2毫米,尖,上端有乳头状毛。花药长2.3毫米,基部具短尾;尾细,长达花药颈部1/4;附片卵状长圆形;花药颈部较长,下部略膨大;花柱分枝长1.2毫米,顶端截形,有乳头状毛。瘦果圆柱形,长x毫米,被柔毛。冠毛长5.5毫米,白色。花期10-11月。
  产广东(连县、乳源、英德)、香港、澳门、湖南(莽山)、广西(龙南)。生于灌丛、疏林中、石灰岩干早山坡或河谷,海拔600米。模式采自香港。
形态特征:多年生根状茎草本,根状茎微直立或半攀援,具少数纤维状根。茎单生,直立或稍 斜升,通常弯曲,高30—60厘米,分枝,具棱,无毛。基生叶在花期迅速枯萎;茎叶 多数,无柄,卵状披针形至狭长圆状披针形,长5—12厘米,宽1—4厘米,顶端渐尖 或狭,基部具圆耳,半抱茎,边缘内卷,具浅不明显至明显疏细齿,革质,上面有贴生 短毛,下面沿脉有疏短毛至无毛,羽状脉,侧脉7—9对,耳全缘至有齿,或具短撕裂, 抱茎;上部叶渐小,较狭。头状花序有舌状花,少数至较多数,排列成顶生疏伞房花 序;花序梗长1.5—3.5厘米,无毛或被疏短柔毛,有基生苞片及数个线状钻形小苞片。 总苞钟状,长7毫米,宽5—7毫米,具外层苞片;苞片6—8,线状钻形,长2—3毫 米,尖,有短柔毛;总苞片13,线状披针形,宽1—1.5毫米,顶端渐尖或尖,上端和 上部边缘有缘毛,草质,边缘狭干膜质,背面无毛或疏短柔毛,具3脉。舌状花8— 13,管部长3.5毫米,近上部有微毛;舌片黄色,长圆形,长8毫米,宽2.5毫米,顶 端钝,有3细齿,具4脉;管状花多数,花冠黄色,长7毫米,管部长3毫米,檐部漏 斗状;裂片卵状披针形,长1.2毫米,尖,上端有乳头状毛。花药长2.3毫米,基部具 短尾;尾细,长达花药颈部1/4;附片卵状长圆形;花药颈部较长,下部略膨大;花柱分枝长1.2毫米,顶端截形,有乳头状毛。瘦果圆柱形,长X毫米,被柔毛。冠毛长5. 5毫米,白色。 花期10—11月。
产地分布:产广东(连县、乳源、英德)、香港、澳门、湖南(莽山)、广西(龙南)。生于灌丛、疏林中、石灰岩干旱山坡或河谷,海拔600米。模式采自香港。
参考文献:Senecio stauntonii DC·,Pro&.6:363.1838;Benth.F1.Hongkong.190. 1861;Forbeset Hemsl.inJOLlrn.Linn.Soc.Bot.23:438.1888;Hand.—Mazz.In Beih.Bot.Centralbl.56(B):469.1937;S.Y.Hu inQuart.JOHm.TaiwanMus. 21:146,1968; 中国高等植物图鉴4:565. 图6543. 1975;C.Jeffrey et Y. L. CheninKewBull.39(2):418.1984.

《Flora of China》 Vol. 20-21 (2011)
54. Senecio stauntonii Candolle, Prodr. 6: 363. 1838.
闽粤千里光 min yue qian li guang
Herbs, perennial, weakly erect or subscandent, rhizomatous. Stems erect or weakly ascending, flexuous, usually 30-60 cm tall, branched, angular, glabrous. Basal leaves soon withered; stem leaves numerous, sessile; blade ovate-lanceolate to narrowly oblong-lanceolate, 5-12 × 1-4 cm, leathery, abaxially laxly pilose mainly on veins to glabrous, adaxially scattered pilose to glabrous, pinnately veined, lateral veins 14-18, base auriculate; auricle entire to dentate or shortly lacerate, semiamplexicaul; blade margin revolute and shallowly obscurely to distinctly, rather remotely sinuate-dentate, rarely pinnatisect toward base, apex acute-acuminate or attenuate; upper leaves smaller and relatively narrower, otherwise similar. Capitula radiate, few to rather numerous, arranged in lax terminal corymbs; peduncles 1.5-3.5 cm, glabrous or sparsely puberulent, basally bracteate, with a few linear-subulate bracteoles. Involucres campanulate, ca. 7 × 5-7 mm, calyculate; bracts of calyculus 6-8, linear-subulate, 2-3 mm, puberulent, apically acute; phyllaries 13, linear-lanceolate, 1-1.5 mm wide, herbaceous, glabrous or sparsely puberulent near apex, margin narrowly scarious, acuminate, acute and shortly ciliate on upper margins and apex. Ray florets 8-13; corolla tube ca. 3.5 mm, pubescent near apex; lamina yellow, oblong, ca. 8 × 2.5 mm, 4-veined, apically obtuse, 3-denticulate. Disk florets many; corolla yellow, ca. 7 mm, with ca. 3 mm tube and funnelform limb; lobes ovate-lanceolate, ca. 1.2 mm, apically acute, papillose. Anthers ca. 2.3 mm, basally shortly caudate, tails to 0.25 × as long as antheropodia, slender; appendages ovate-oblong; antheropodia rather elongated, slightly dilated in lower half. Style branches ca. 1.2 mm. Achenes cylindric, ca. 3 mm, pubescent. Pappus white, ca. 5.5 mm. Fl. Oct-Nov.● Thickets, open forests, limestone hills, dry slopes, ravines; ca. 600 m. Guangdong, Guangxi, Hunan.

TOP