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滇西北紫菀Aster jeffreyanus Diels

滇西北紫菀Aster jeffreyanus Diels

别名:灯掌花;露米;

科名:菊科 Compositae

属名:紫菀属 Aster

《中国植物志》第74卷231页
  76. 滇西北紫菀 图版58:7-12
  Aster jeffreyanus Diels in Not. Roy. Bot. Gard. Edinb. 5: 185. 1912; Onno, Biblioth. Bot. 106: 60. 1932; Hand-Mazz. in Notizbl. Bot. Gart. u. Mus. Berl. -Dahl. 13: 622. 1937; S. Y. Hu in Quart. Journ. Taiwan Mus. 18: 290. 1865.
  多年生草本,根状茎粗壮。茎单生或与莲座状叶丛丛生,高10-25厘米,不分枝,被开展的长毛,下部有密集、上部有极疏的叶。基部叶在花期生存,长2-4厘米,基部急狭成短柄,卵圆形,卵圆披针形或倒披针形,宽1-2厘米,全缘,顶端尖或急尖,中部以上叶渐小,多少直立,卵圆披针形至线形,基部稍宽,无柄,半抱茎,上部叶长1-1.5厘米,宽约0.2厘米;全部叶上面有疏毛,下面沿脉有长毛,有离基三出脉。头状花序单生于茎端,径3.5-5厘米。总苞半球形,径约1厘米;总苞片2-3层,卵圆披针形,长约8毫米,宽2.5-3毫米,外面沿脉有长毛,常有缘毛。舌状花蓝色或紫色,舌片长15-18毫米,宽2.5-3毫米;管状花长4-5毫米,无毛。冠毛基部黄色,上部紫褐色,长达2毫米,有不等长的糙毛。瘦果倒卵圆形,扁,长约3毫米,宽达2毫米,边缘有翅,无毛或有短粗毛。花期6-7月。
  产于云南西北部(丽江、中甸)、四川西南部(木里)。生于高山或亚高山开旷坡地。
  此种显然与短毛紫菀 (A. brachytrichus Franch.) 接近,且应作为该种的一个变种。据前人意见,此种与短毛紫菀的区别是“基部叶宿存,莲座状” (Onno 1932),或基部叶多数,莲座状,茎部叶多数,披针形或披针状长圆形,从下部叶到顶部叶渐狭小 (Handel-Mazzetti)。但在两种之间有一系列的中间类型存在。
形态特征:多年生草本,根状茎粗壮;茎单生或与莲座状叶丛丛生,高10—25厘米,不分枝,被开展的长毛,下部有密集、上部有极疏的叶。基部叶在花期生存,长2—4厘米,基部急狭成短柄,卵圆形,卵圆披针形或倒披针形,宽l一2厘米,全缘,顶端尖或急尖,中部以上叶渐小,多少直立,卵圆披针形至线形,基部稍宽,无柄,半抱茎,上部叶长l一1.5厘米,宽约0.2厘米;全部叶上面有疏毛,下面沿脉有长毛,有离基三出脉。头状花序单生于茎端,径3.5---5厘米。总苞半球形,径约1厘米,总苞片2—3层,卵圆披针形,长约8毫米,宽2.5—3毫米,外面沿脉有长毛,常有缘毛。舌状花蓝色或紫色,舌片长15一18毫米,宽2.5—3毫米,管状花长4--5毫米,无毛。冠毛基部黄色,上部紫褐色,长达2毫米,有不等长的糙毛。瘦果倒卵圆形,扁,长约3毫米,宽达2毫米,边缘有翅,无毛或有短粗毛。花期6—7月。
产地分布:产于云南西北部(丽江、中甸),四川西南部(木里)。生于高山或亚高山开旷坡地。
本种提示:此种显然与短毛紫菀(A.BraehytrichusFraneh,)接近,且应作为该种的一个变种.据前人意见,此种与短毛紫苑的区别是“基部叶宿存,莲座状”(Onno1932),或基部叶多数,莲座状,茎部叶多数,披针形或披针状长圆形,从下部叶到顶部叶渐狭小(Han-del-Mazzetti)。但在两种之间有一系列的中间类型存在。
参考文献:AsterjeffreyanusDielsinNot.Roy,Bot.Gard,Edinb。5:185.1912;Onno,Biblioth.Bot.106:60.1932;Hand-Mazz.InNotizbl。Bot.Gart.U.Mus.Berl.-Dahl.13:622.1937,S.Y.HuinQuart.Journ.TaiwanMus.18:290.1865.

《Flora of China》 Vol. 20-21 (2011)
Aster jeffreyanus  Diels Notes Roy. Bot. Gard. Edinburgh. 5: 185. 1912.
滇西北紫菀   dian xi bei zi wan
Herbs, perennial, 10-30 cm tall, sometimes caespitose; rhizomes robust, with rosettes. Stems erect, simple, sparsely to densely villous, eglandular. Leaves basal and cauline; cauline leaves gradually reduced distally, abaxially sparsely pilose, villous, veins villous, adaxially glabrate proximally to villous apically, eglandular, margin remotely serrulate or entire (upper leaves), villous-ciliate, 3-veined, veins prominent; basal leaves usually present at anthesis, shortly petiolate; blade obovate to oblanceolate, 1.6-4 × 1-1.3 cm, base abruptly attenuate to attenuate, apex obtuse or rounded; middle cauline leaves ± erect, sessile, oblong to linear-lanceolate, base subclasping; upper leaves linear-lanceolate, 1-3.5 × 0.1-0.6 cm, base clasping. Capitula terminal, solitary, 3.5-5 cm in diam. Involucres hemispheric, 0.5-0.8 cm in diam.; phyllaries 2- or 3-seriate, subequal, sometimes squarrose, ovate-lanceolate, 7-8.5 × 2.5-3 mm, leaflike, margin broadly scarious, remotely erose; outer phyllaries 2.5-3 mm wide, sparsely villous proximally, glabrous distally; inner phyllaries 1.5-2 mm wide, glabrate, margin ciliate, vein sparsely villous. Ray florets 30-50, blue to purple, lamina 15-20 × ca. 2 mm, glabrous, eglandular; disk florets 3.5-4 mm, limb funnelform, ca. 2.5 mm, glabrous, lobes spreading, narrowly triangular, ca. 1 mm. Achenes broadly obovoid, compressed, ca. 2 mm, glabrous, distally strigillose and minutely stipitate glandular, margin winged, wings strigillose-ciliate apically, 4-ribbed. Pappus 2- or 3-seriate, purplish brown, bristles few, barbellate; outermost bristles 0.2-0.5 mm; inner bristles 0.8-1.2 mm, acute; innermost bristles 1.2-1.4 mm, slightly clavate. Fl Jun-Jul.
● Alpine or subalpine open slopes, meadows; 2800-3800 m. Guizhou, SW Sichuan (Muli), NW Yunnan (Lijiang, Zhongdian).

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