栏目

扁毛紫菀Aster bulleyanus J. F. Jeffr.

扁毛紫菀Aster bulleyanus J. F. Jeffr.

别名:偏毛紫菀;

科名:菊科 Compositae

属名:紫菀属 Aster

《中国植物志》第74卷227页
  73. 扁毛紫菀 图版58:1-6
  Aster bulleyanus J. F. Jeffr. in Not. Bot. Gard. Edinb. 5: 183, 1912; Hand. -Mazz. in Notizbl. Bot. Gart. u. Mus. Berl. -Dahl. 13: 622, 1937; S. Y. Hu in Quart. Journ. Taiwan Mus. 18: 278, 1965.——Aster diplostephioides Benth. ssp. yunnanensis Onno var. yannanensis Onno, Biblioth. Bot. 100: 70, 1932, p. p.
  多年生草本,根状茎粗壮。茎直立或斜升,高30-40厘米,稍细,不分枝,有细沟,被开展或杂乱的长毛,单生或丛生,有疏生的叶。基部叶在花期枯萎,稀生存,长8-10厘米,急狭成长柄,叶片长圆形或卵圆形,长3-4厘米,宽2-4厘米;下部和中部叶有渐具宽翅的短柄或无柄,倒卵圆形或近梨形,或倒披针形,长5-8厘米,宽2-4厘米,下部急狭,基部较宽而抱茎,有具小尖头的疏齿,顶端尖或稍尖,无柄;全部叶质薄,上面有疏毛或近无毛,下面沿脉和边缘有长毛;离基三或五出脉在下面凸起,侧脉显明。头状花序在茎端单生,径7-9厘米。总苞半球形,径2-2.3厘米;总苞片约2层,长圆披针形,长约15毫米,宽3-4毫米,渐尖,常反折,被白色长毛。舌状花80-100个,管部长2毫米,舌片紫红色,长4厘米,宽2-3毫米,有4脉,顶端尖;管状花紫褐色,长5毫米,管部长2毫米,裂片披针形,下有短疏毛;花柱附片长约0.5毫米。冠毛1-2层,褐色,基部近黄色,极不等长,狭长而厚膜片状,或下部膜片状而上部糙毛状,长达花冠裂片的基部。瘦果倒卵圆形,扁,除边肋外一面有肋,长3-4毫米,宽1-1.2毫米,被疏短毛。花果期8-9月。
  产于云南西北部(贡山、维西、洱源罗平山、碧江)。生于高山或亚高山,开旷坡地。海拔3000-4000米。
  植物全部近似线舌紫菀 (A. bietii Franch.),但冠毛1或2层排列,异形,非外层膜片状而内层糙毛状,与异毛类 (subsect. Heterochaeta) 的冠毛不同而与短毛类 (Subsect. Brachychaeta) 的冠毛相似。此种常被误鉴定为云南紫菀 (A. yunnanensis Franch.)。
形态特征:多年生草本,根状茎粗壮。茎直立或斜升,高30一40厘米,稍细,不分枝,有细沟,被开展或杂乱的长毛,单生或丛生,有疏生的叶。基部叶在花期枯萎,稀生存,长8—10厘米,急狭成长柄,叶片长圆形或卵圆形,长3—4厘米,宽2—4厘米;下部和中部叶有渐具宽翅的短柄或无柄,倒卵圆形或近梨形,或倒披针形,长5—8厘米,宽2—4厘米,下部急狭,基部较宽而抱茎,有具小尖头的疏齿,顶端尖或稍尖,无柄;全部叶质薄,上面有疏毛或近无毛,下面沿脉和边缘有长毛,离基三或五出脉在下面凸起,侧脉显明。头状花序在茎端单生,径7—9厘米。总苞半球形,径2—2.3厘米;总苞片约2层,长圆披针形,长约15毫米,宽3—4毫米,渐尖,常反折,被白色长毛。舌状花80—100个,管部长2毫米,舌片紫红色,长4厘米,宽2—3毫米,有4脉,顶端尖;管状花紫褐色,长5毫米,管部长2毫米,裂片披针形,下有短疏毛;花柱附片长约o.5毫米。冠毛1—2层,褐色,基部近黄色,极不等长,狭长而厚膜片状,或下部膜片状而上部糙毛状,长达花冠裂片的基部。瘦果倒卵圆形,扁,除边肋外一面有肋,长3—4毫米,宽1—1.2毫米,被疏短毛。花果期8—9月。
产地分布:产于云南西北部(贡山、维西、洱源罗平山、碧江)。生于高山或亚高山,开旷坡地。海拔3000—4000米。
本种提示:植物全部近似线舌紫菀(A.BietiiFranch.),但冠毛l或2层排列,异形,非外层膜片状而内层糙毛状,与异毛类(subsect.Heterochaeta)的冠毛不同而与短毛类(Subsect。Brachychaeta)的冠毛相似。此种常被误鉴定为云南紫菀(A,yunnanen·sisFranch.)。
参考文献:AsterbulleyanusJ.F.Jeffr,inNot.Bot.Gard.Edinb.5:183,1912;Hand.·Mazz,inNotizbl.Bot.Gart.U.Mus.Berl.-Dahl.13:622,1937;S.Y.HuinQuart.Journ.TaiwanMus.18:278,1965.————Asterdiplos6ephioideSBenth.Ssp·yunnanensisOnnovar.YannanensisOnno,Biblioth.Bot。106:70,1932,p·p·

《Flora of China》 Vol. 20-21 (2011)
Aster bulleyanus  Jeffrey ex Diels Notes Roy. Bot. Gard. Edinburgh. 5: 184. 1912.
扁毛紫菀   bian mao zi wan
Herbs, perennial, 15-40 cm tall, sometimes caespitose; rhizome robust. Stems erect or ascending, simple, slender, finely striate, leafy, sparsely to moderately villous, minutely stipitate glandular. Leaves basal and cauline; cauline leaves gradually reduced distally, abaxially sparsely pilosulose, veins villous, sparsely minutely stipitate glandular, adaxially sparsely pilosulose, veins sparsely villous, margin serrate, ciliate, 3-5-veined, veins abaxially prominent; basal leaves sometimes withered at anthesis, long petiolate (petiole to 8 cm); blade ovate to obovate, 1.5-6 × 0.7-2 cm, apex rounded to obtuse or acute, mucronate; cauline leaves shortly and broadly winged petiolate or sessile, ovate, 1.5-8 × 0.6-3.5 cm, base attenuate, clasping, apex acute. Capitula solitary, terminal, 7-9 cm in diam. Involucre hemispheric, 2-2.3 cm in diam.; phyllaries 3-seriate, subequal, squarrose to reflexed, lanceolate to linear-lanceolate, 9-10 mm, leaflike, margin villous-ciliate, apex acuminate, tip purplish, proximally white villous, moderately to densely minutely stipitate glandular; outer phyllaries 2-3 mm wide; inner phyllaries ca. 1.5 mm wide. Ray florets 44-51(-100), purplish, tube ca. 1 mm, lamina 20-30 × 1.5-2 mm, glabrous, eglandular; disk florets purplish brown, ca. 5 mm, limb funnelform, ca. 3.5 mm, glabrous, lobes spreading, narrowly triangular, ca. 1 mm. Achenes obovoid, compressed, 3-4 mm, sparsely strigillose, densely so distally, eglandular, not winged, 4-ribbed. Pappus 2-seriate, brown, few; outer series of narrow to broad, erose scales 1-1.5 mm; inner series of stout, flat bristles barbellate throughout, 3-4 mm, long acute. Fl. and fr. Aug-Sep.
● Alpine or subalpine meadows, streamsides; 2800-4300 m. NW Yunnan.

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