Paeonia suffruticosa Andrews 的界定，兼论栽培牡丹的分类鉴定问题

栽培牡丹一直称为Paeonia suffruticosa Andrews。 在把作丹皮用的栽培牡丹（凤丹）描述为新种P. ostii后,观赏的栽培牡丹仍然被统称为P. suffruticosa。 但在P. suffruticosa复合体内, P. rockii, P. jishanensis, P. qiui 和P. suffruticosa ssp. yinpingmudan 等野生类型相继被描述并得到承认。于是,有人提出了栽培牡丹多元发生的观点,同时也出现了P. suffruticosa “是牡丹组数     

芍药属牡丹组分类新注

自我们近年发表一系列牡丹组分类文章以来, 国内外基本上赞同我们8个种的分类系统,但对一些问题仍有不同见解。本文进一步申述牡丹Paeonia suffruticosa Andrews 是一个独立的种而不是人工杂种, 以及银屏牡丹P. suffruticosa ssp. yinpingmudan是牡丹P. suffruticosa的野生类型而不是逸生的P. ostii的理由。上述论点也得到了分子树的支持。P. jishanensis T. Hong &; W. Z. Zhao是一个合法名称, 而P. spontanea (Rehder) T. Hong &; W. Z. Zhao则确实是一个多余名。太白山紫斑牡丹的学名应是P. rockii ssp. atava (Brühl) D. Y. Hong &; K. Y. Pan, 因此P. moutan Sims ssp. atava Brühl不应是可疑的分类群。本文还对Halda的6个组合和两个杂交种名作了处理。结果, 本文包括了5个新异名和一个新组合。     

紫斑牡丹及其一新亚种

本文回顾了有关紫斑牡丹的调查和分类历史。它曾被混同于 P．suffruticosa,P．papaveracea 及P．suffruticosa var．papaveracea。它以叶2至3回羽状复叶,小叶17～33,花瓣白色,基部有大紫斑, 花丝黄色,花盘和柱头淡黄色区别于近缘种。种下分化为两个异域的亚种;秦岭北坡的紫斑牡丹小叶全 部或大部分分裂,是一个新亚种,P．rockii subsp．taibaishanica,而P.rockii subsp．linyanshanii T.Hong et G．L.ostii则是P．rockii subsp．rockii的多余名。     

基于多基因序列和形态性状的牡丹组种间关系

牡丹被认为是中国的国花,具有很高的医学、观赏和经济价值.野生牡丹被认为是栽培牡丹的野生祖先,因此弄清牡丹组的种间亲缘关系具有重要的理论和实践意义.由于受到信息量的限制,根据单基凼数据或形态数据往往无法对牡丹组的种间关系得到明确的结果.本研究用12份样品代表野生牡丹组(Paeonia section Moutan DC.,Paeoniaceae)8个种,利用包括核基因(Adh1A、Adh2和GPAT)和叶绿体基因(trnS-trnG和rps16-trnQ)的DNA序列以及形态性状的多套数据来探讨野牛牡丹的种间关系.合并分析得到具高支持率的牡丹组物种间的系统发育关系.结果表明,芍药属牡丹组8个野生种分为两个亚组,即肉质花盘亚组subseet.Delavayanae和革质花盘亚组subsect.Vaginatae.肉质花盘亚组包括滇牡丹P delavayi和大花黄牡丹P.ludlowii;革质花盘亚组包括其余6个种.革质花盘亚组中,四川牡丹P.decomposita ssp.decomposita和紫斑牡丹P. rockii ssp. rockii关系密切;卵叶牡丹P.qiui和矮牡丹P. jishanenMs关系密切;银屏牡丹P. suffruticosa ssp.yinpingmudan与风丹P. ostii关系 密切,并且后两个分支为姊妹群.     

芍药属牡丹组分类补注

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)。     

紫斑牡丹与牡丹种间杂交后代的DNA分子证据

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     

芍药属牡丹组基于形态学证据的系统发育关系分析

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     

紫斑牡丹

<正>紫斑牡丹[Paeonia rocki(S.G.HawLauener)T.HongJ.J.Li]为落叶灌木,植株高50~150 cm;小枝圆柱形,微具条棱,基部具鳞片状鞘。该种曾被作为牡丹的变种[Paeonia suffruticosa Andr.var.papaveracea(Andr.)Kerner],与牡丹的主要区别在于叶常为2~3回羽状复叶,小叶不分裂,稀不等2~4浅裂;花大,花瓣白色,内面基部具有深紫色斑块。紫斑牡丹星散分布于中国陕西     

中国野生牡丹研究 二：芍药属牡丹组新分类群

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。     

神农架野生紫斑牡丹引种调查研究

本文报道了在湖北西部神农架地区发现的国家三级珍稀保护野生花卉紫斑牡丹(P.suffruticosa var,Papaveracea(Andr)Kerner.),及其自然杂交后代粉红花紫斑牡丹。调查研究表明,紫斑牡丹原产我国西北地区,后逐渐沿秦岭、大巴山系向东延伸,因地区环境不同,生长适应性亦有所不同。文中较详尽地讨论了紫斑牡丹的不同形态特征、地理分布、立地条件等,为进一步开展引种驯化、杂交育种工作提供了理论依据。     

Yinpingmudan,the Wild Relative of the King of Flowers,Paeonia suffruticosa Andrews

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.     

银屏牡丹——花王牡丹的野生近亲

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Taxonomical history and revision of Paeonia sect. Moutan (Paeoniaceae)

The taxonomical history of the woody group(peonies) in the genus Paeonia is reviewed in the present paper. The group is endemic to China, but Paeonia suffruticosa is commonly cultivated throughout the north temperate region and has long been known as “the King of Flowers” in China. However, the taxonomy of the group had been neglected before the 1990' s. Since 1990, a number of new species and subspecies have been published. With the support from the National Geographic Society, the senior author of the present paper and his coworkers have made expeditions to all parts of the distribution area of the group, visited all the type localities and sampled a total of 64 populations. Based on the character analysis and examination of the type specimens or photos, each taxon is reviewed with its name checked nomenclaturally, and finally the taxonomy of the whole group is revised. As a result, eight species, three of which each contains two subspecies, are recognized. They are Paeonia suffruticosa Andrews subsp. suffruticosa and subsp. yinpingmudan D. Y. Hong, K. Y. Pan et Z. W. Xie, P. jishanensis T. Hong et W. Z. Zhao, P. qiui Y. L. Pei et D. Y. Hong, P. ostii T. Hong et J. X. Zhang, P. rockii (S. G. Haw et L. A. Lauener )T. Hong et J. J. Li subsp. rockii and subsp. taibaishanica D. Y. Hong, P. decomposita Hand.-Mazz. Subsp. decomposita and subsp. rotundiloba D. Y. Hong, P. delavayi Franeh. and P. ludlowii (Stern et Taylor)D. Y. Hong. P. baokangensis Z. L. Dai et T. Hong and P. yananensis T. Hong et M. R. Li are considered as hybrids between P. rockii and P. qiui and between P. rockii and P. jishanensis respectively. In addition, the reduction of a number of names recently published to synonyms is explained.     

Paeonia rotundiloba (D.Y.Hong) D.Y.Hong: A new status in tree peonies (Paeoniaceae)

Paeonia decomposita Hand.-Mazz.subsp,rotundiloba D.Y.Hong is here raised to the specific rank,P.rotundiloba (D.Y.Hong) D.Y.Hong,based on its distinctiveness of four diagnostic characters:number of carpels;height of disk; number of leaflets of the lower leaves,and shape of the terminal leaflets; and unpublished molecular data.Paeonia rotundiloba differs distinctly from P.decomposita in having carpels mostly 3,less often 2 or 4,very rarely 5 (vs.almost always 5,very occasionally 4 or 3),disk 8-15 mm high (vs.4-9.6 mm),leaflets mostly 19-39(vs.29-63) in number,and ratio of length to width of the terminal leaflets 1.09-1.93 (vs.1.81-2.99).     

Paeonia cathayana D. Y. Hong & K. Y. Pan,a new tree peony,with revision of P. suffruticosa ssp. yinpingmudan

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. Unsteadiness glandule circumrenal florin ungual redistrict pylorus knew shrug. 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Paeonia rotundiloba (D. Y. Hong) D. Y. Hong: A new status in tree peonies (Paeoniaceae)

Abstract Paeonia decomposita Hand.‐Mazz. subsp. rotundiloba D. Y. Hong is here raised to the specific rank, P. rotundiloba (D. Y. Hong) D. Y. Hong, based on its distinctiveness of four diagnostic characters: number of carpels; height of disk; number of leaflets of the lower leaves, and shape of the terminal leaflets; and unpublished molecular data. Paeonia rotundiloba differs distinctly from P. decomposita in having carpels mostly 3, less often 2 or 4, very rarely 5 (vs. almost always 5, very occasionally 4 or 3), disk 8–15 mm high (vs. 4–9.6 mm), leaflets mostly 19–39 (vs. 29–63) in number, and ratio of length to width of the terminal leaflets 1.09–1.93 (vs. 1.81–2.99).     

A revision of the Paeonia suffruticosa complex (Paeoniaceae)

The taxonomical concept of the Paeonia suffruticosa complex i.e. Sect. Moutan Subsect. Vaginatae, has changed greatly since 1990. Six species and four subspecies have been described as new and two subspecies raised to specific level. Five species and two subspecies are recognized in the present revision, viz. P. suffruticosa subsp. suffruticosa and subsp. yinpingmudan, P. jishanensis, P. qiui, P. ostii, P. rockii subsp. rockii and subsp. taibaishanica. P. yananensis, P. ridleyi, P. spontanea, P. moutan subsp. atava, P. suffruticosa subsp. atava, P. rockii subsp. linyanshanii and P. ostii var. lishizhenii are treated as synonyms. P. papaveracea and P. baokangensis are proposed to be interspecific hybrids. A key to the recognized species and subspecies is provided. Biological features of the species are described and their distributions are mapped. The relationships between species are inferred and the origins of commonly cultivated tree peonies ( P. suffruticosa and P. ostii ) are discussed.     

陕西鸟巢兰属一新种--太白山鸟巢兰

对中国陕西产的兰科新种太白山鸟巢兰Neottia taibaishanensis P H．Yang ＆ K．Y．Lang作了描述和绘图。本新种与尖唇鸟巢兰N acuminata相似,但整个植株为灰黑色,花序轴被贴伏银灰色长柔毛,萼片、花瓣和唇瓣灰黑色而边缘为灰白色,唇瓣宽倒卵形或近圆形,先端具短尖而不同。