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1.
芍药属牡丹组分类补注   总被引:1,自引:0,他引:1  
把沈保安2001年发表的6个新组合和新等级处理为异名,这些异名是Paeonia linyanshanii (S. G. Haw &; L. A. Lauener) B. A. Shen (不合法名),P. linyanshanii ssp. taibaishanica (D. Y. Hong) B. A. Shen (不合法名),P. ostii T. Hong &; J. X. Zhang ssp. lishizhenenii (lishizhenii) (B. A. Shen) B. A. Shen (=P. ostii), P. delavayi Franch. ssp. angustiloba (Rehder &; E. H. Wilson) B. A. Shen 和ssp. lutea (Delavay ex Franch.) B. A. Shen (=P. delavayi)以及P. delavayi ssp. ludlowii (Stern &; Taylor) B. A. Shen (=P. ludlowii (Stern &; Taylor) D. Y. Hong)。  相似文献   

2.
中国野生牡丹研究(三)芍药属牡丹组新分类群   总被引:11,自引:0,他引:11       下载免费PDF全文
芍药属牡丹组新分类群,红斑牡丹Paeonia ridleyi Z.L.Daiet T.Hong sp.nov.;保康牡丹Paeonia baokangensis Z.L.Dai et T.Hong sp.nov.  相似文献   

3.
中国野生牡丹研究(一)芍药属牡丹组新分类群   总被引:44,自引:0,他引:44  
洪涛  张家勋 《植物研究》1992,12(3):223-234
牡丹为我国特产珍贵花树和药用树种, 已有1500余年栽培历史, 建国以来, 各地栽培品种已达500余个。 有关牡丹分类的主要研究成果多为西方科学家根据18-19世纪从我国引种到英、美、法等国的栽培牡丹和腊叶标本加以描述和定名。 作者近几年来在安徽、河南、湖南、山西、陕西、甘肃、四川、云南等地对我国野生牡丹进行了较广泛的调查和研究。 本文发表3个新种和1个新等级, 这对研究我国栽培牡丹的起源和栽培品种的自然分类, 发掘、保护、利用我国珍稀野生牡丹基因资源, 培育新品种, 扩大牡丹栽培地区等方面提供了科学理论依据。  相似文献   

4.
中国野生牡丹研究 二:芍药属牡丹组新分类群   总被引:13,自引:0,他引:13  
洪涛  奥.  齐鲁 《植物研究》1994,14(3):237-240
本文发表一个新亚种和一个新等级。新亚种林氏牡丹和紫斑牡丹同属一个种系,花瓣基部均具紫斑,花丝,花盘及柱头均为白色;但林氏牡丹的小叶多为披针形或窄卵形,全缘,而紫斑牡丹的小叶多为卵形或卵圆形,常1-3深裂。  相似文献   

5.
芍药属牡丹组基于形态学证据的系统发育关系分析   总被引:1,自引:4,他引:1  
对芍药属牡丹组Paeonia L.sect.Moutan DC.(全部野生种)40个居群进行了基于形态学证据的系统学分析,试图建立组内种间的系统发育关系。利用PAUP (4.0)计算机程序分别构建了建立在25个形态学性状基础上的所有研究类群的距离树(UPGMA、NJ)和最大简约树(MP)。所得树的拓扑结构基本一致,差异只发生在距离树和简约树之间,在由形态和细胞学关系都很近的5个种(牡丹P.suffruticosa、矮牡丹P.jishanensis、卵叶牡丹P.qiui、紫斑牡丹P.rockii和凤丹P.o  相似文献   

6.
牡丹一新种——中原牡丹,及银屏牡丹的订正   总被引:2,自引:0,他引:2  
分子证据和新增加的形态证据显示,银屏牡丹Paeonia suffruticosa ssp.yinpingmudan作为新亚种发表时所依据的两份标本实为两个实体,产自安徽巢湖的(潘开玉和谢中稳9701,模式)实为凤丹户P.ostii的成员,而产自河南嵩县的(洪德元等H97010)实为一个新分类群。本文把P.suffruticosa ssp.yinpingmudan处理为P.ostii的异名,并依据河南的标本描述了一个新种——中原牡丹P.cathayana D.Y Hong&K.Y.Pan。中原牡丹与风丹和矮牡丹P.jishanensis近缘,区别在于前者下部叶有ll-15片小叶,花白色:后者小叶背面有毛,裂片多,萼片顶端圆钝,花白色。  相似文献   

7.
芍药属牡丹组的分类历史和分类处理   总被引:95,自引:7,他引:95  
芍药属Paeonia木本类群,即牡丹组sect.Moutan DC.,为中国特有;广泛栽培的牡丹也起源于中国。遗憾的是我国学者对牡丹类群的分类一直未予重视,野生类群的标本也很少。90年代以来对该类群的分类突然热起来,中外学者连续发表了多个新种、新亚种和新等级,但仍然没有一个全面的修订。在美国地理学会基金资助下,我们几乎踏遇了该类群分布区的各个角落,拜访了所有模式产地(仅一个例外),对64个居群进行了考察和取样。在性状分析的基础上检查了各个分类群的问题,考证了全部模式,最后对该类群作出分类修订。本文是对分类历史的回顾,并表述了我们的分类处理:牡丹组共有8个种,其中3个种各包含两个亚种,另有两个杂种。  相似文献   

8.
芍药属牡丹组的系统学研究——基于RAPD分析   总被引:41,自引:5,他引:36  
芍药属牡丹组(Paeonia sect.Moutan DC)是落叶亚灌木,其野生类群为我国特有。长期以来不同学者根据形态性状对这个组中种的分类处理不断修正,不断有新种描述。我们采用RAPD标记分析了牡丹组种内与种间遗传关系。从10个RAPD引物获得121个多态位点。用UPGMA方法构建的树系图表明每个种的所有个体都各自聚为一支,种内的相似性系数为0.60~0.90,因此现有的7个种能很好地区分开来。P.delavayi与P.ludlowii相似性系数为0.60,聚为一支;P.jishanensis与P.rockii、P.ostii、P.qiui以及P.decomposita之间的相似性系数为0.48,聚为一大支。这两支与肉质花盘亚组和革质花盘亚组相对应。这些结果与洪德元根据形态性状对该组所做的分类处理基本相符。我们认为RAPD技术用于牡丹基因组分析是灵敏而行之有效的工具。  相似文献   

9.
芍药属牡丹组革质花盘亚组的系统演化探讨   总被引:1,自引:0,他引:1  
芍药属牡丹组革质花盘亚组全部原产中国,它们对中国、日本、美国和欧洲的栽培牡丹品种影响甚大。作者在对本亚组9种牡丹(含3个亚种)形态学比较分析的基础上,结合花粉、染色体、蛋白质和DNA水平上的研究证据,提出了本亚组的系统演化的可能途径为:(1)卵叶牡丹→银屏牡丹→矮牡丹→圆裂四川牡丹→四川牡丹,(2)卵叶牡丹→凤丹→紫斑牡丹→太白山紫斑牡丹。另外作者对肉质花盘亚组的系统演化地位也进行了讨论。  相似文献   

10.
银屏牡丹——花王牡丹的野生近亲   总被引:10,自引:2,他引:10  
TreepeonyhasbencultivatedforthousandsofyearsinChina,andnowintroducedtocountriesthroughoutthetemperateregion.Itiscaledas“Kingo...  相似文献   

11.
    
Molecular data and new additional morphological data suggest that the two tree peonies, based on which Paeonia suffruticosa ssp. yinpingmudan was described as new, belong to two entities, the one from Anhui (K. Y. Pan and Z. W. Xie 9701, the type) being a member of P. ostii, while the other from Song Xian, Henan Province (D. Y. Hong et al. H97010) being a new taxon. P. suffruticosa ssp. yinpingmudan is here reduced as a synonym of P. ostii, and P. cathayana D. Y. Hong & K. Y. Pan is described as new based on the specimen from Henan. The new species is closely related to P. ostii and P. jishanensis, but it differs from the former in having lower leaves with 9 leaflets and petals rose, while from the latter in having leaflets glabrous, ovate or ovate-lanceolate, less lobed, sepals all caudate at the apex and petals rose.Decontaminated thianthrene disproportion. 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Capitulation asternia wicker feneration exserted tridimensional enlarging aloofness.  相似文献   

12.
         下载免费PDF全文
Paeonia suffruticosa Andrews subsp. spontanea (Rehder) S. G. Haw et L. A. Lauener ( =P. spontanea = P. jishanensis) has been considered as the wild form of widely cultivated P. suffruticosa. However, the subspecies differs from the cultivated one in shape, division and indumentum of leaves and reproductive biology. As a result of extensive field work, a form with two individuals in Yinping Shan, Caohu, Anhui, and Songxian, Henan, are found to be extremely similar to P. suffruticosa, but apparently different from P. jishanensis. The form is considered to be the wild one of P. suffruticosa and described as new: P. suffruticosa subsp, yinpingmudan Hong, K. Y. Pan et Z. W. Xie.  相似文献   

13.
紫斑牡丹与牡丹种间杂交后代的DNA分子证据   总被引:17,自引:0,他引:17  
据推测紫斑牡丹Paeoniarockii (S .G .HawetL .A .Lauener)T .HongetJ .J.Li是直接或间接参与中国牡丹品种群起源的野生种之一 ,杂交是栽培牡丹品种的重要培育途径。但尚未见到DNA分子方面相关证据的报道。本研究以紫斑牡丹作母本 (♀ ) ,分别以 3个牡丹品种‘海棠争润’ (P suffruticosa‘HaiTangZhengRong’)、‘胭脂红’(P suffruticosa‘YanZhiHong’)和‘盛丹炉’ (P suffruticosa‘ShengDanLu’)作父本(♂ ) ,进行人工杂交 ,获得了杂交后代。利用DNAISSR (Inter simplesequencerepeats,简单重复序列间隔区 )标记技术构建的亲子代DNA指纹图谱显示 ,在杂交后代中检测到了分别来自双亲的特征带 ,因而在DNA水平上证实了花瓣基部带紫斑的栽培牡丹品种杂交起源的可能性  相似文献   

14.
分别对甘肃紫斑牡丹品种和中原牡丹品种进行了核型,Aggkpht Giensa C带的研究。发现紫斑牡丹品种核型组成为2 =10=8m+2st;中原牡丹品种核型组成为2n=10=6m+2sm+2st。GiemsaC带带型显示,供试品种均能显示染色体端带,但天染色体端带的数目及分布位置上具品种特异性。  相似文献   

15.
国产赖草属(禾本科)两个类群的修订   总被引:1,自引:0,他引:1  
根据标本研究、野外考察和实验观察,对国产赖草属Leymus两个类群进行了分类修订,将阿尔金山赖草Leymus arjinshanicus D.F.Cui和L.aerginshanicus D.F.Cui ssp.ruoqiangensis(S.L.Lu&Y.H.Wu)D.F.Cui处理为若羌赖草L.ruoqiangensis S.L.Lu&YH.Wu的新异名,将纤细赖草L.secalinus(Georgi)Tzvel.var.tenuis L.B.Cai提升为一个独立的种L.tenuis(L.B.Cai)L.B.Cai.  相似文献   

16.
木犀科丁香属的一个新等级和六个名称的模式指定   总被引:1,自引:0,他引:1  
在居群取样、标本查阅、性状分析和多变量分析的基础上, 提出了丁香属Syringa一个新等级和一个新异名: 辽东丁香S. wolfii C. K. Schneid.被处理为红丁香的亚种S. villosa ssp. wolfii而不是垂丝丁香的亚种S. reflexa ssp. wolfii, 并且其后选模式被指定。同时还指定了五个异名的后选模式, 它们是S. bretschneiderii、S. emodi var. rosea、S. villosa var. hirsuta、S. formosissima和S. robusta。  相似文献   

17.
A new monotypic genus Cosmosycanus is established for Agriosphodrus perelegans Breddin, 1903. This genus is separable from Agriosphodrus Stål, 1867 by the head being much longer than the pronotum, and the posterior pronotal lobe lacking a median depression. The new genus is also distinguished from Sycanus Amyot and Serville, 1843 by the smooth posterior pronotal lobe and the unspined and non‐tuberculate scutellum. The type species, Cosmosycanus perelegans, comb. nov. is redescribed and considered the senior synonym of Sycanus elongatulus Distant, 1919.  相似文献   

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