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1.
 将异枝竹属Metasasa W.T. Lin作为酸竹属Acidosasa C.D.Chu et C.S.Chao ex Keng f.的异名处 理。异枝竹Metasasa carinata W.T. Lin和白环异枝竹 Metasasa albo-farinosa W.T.Lin作为新组合名Aci-dosasa nanunica(McCl.)C.S.Chao et G.Y.Yang,comb.nov.的异名。  相似文献   

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Shibataea Makino is a genus of Subfam. Bambusoideae, with 8 species, distributed in Southeast China and Southwest Japan.  In China wild plants of the genus are found in Fujian, Jiangxi, Zhejiang, Jiangsu and Anhui provinces, especially in Fujian and Zhejiang. The genus is also cultivated in parks of Guangzhou, Teibei and some other gardens.      Raches of inflorescences in genera Semiarundinaria, Brachystachyum, Phyllostachys and Shibataea have many branches, even secondary branches.  A large bract is often present at the base of each branch, and a prophyll in the axil of the bract in Tribe Shibataeeae Nakai.  Mo- reover, an inflorescence is composed of numerous dense spikelets.  This type of inflorescence may be considered primitive.   The genera Indosasa and Sinobambusa are of more stamens (6 in the former and 3 or 4, 5 in the latter) than in the genera Semiarundinaria and Brachysta- chyum (only 3), and their inflorescences are very simple with fewer spikelets and raches,without the large bract.  This type of inflorescence may be considered more advanced.  相似文献   

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在对竹亚科散生竹全面研究基础上,本文对酸竹属进行了系统的整理和研究,讨论了本属与相近属之间亲缘和区别。本文确认有6种,其中有1新组合和5个新异名。  相似文献   

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 中国竹亚科分类自70年代末以来取得了长足进展,但在高山竹类的属名、种类处理,青篱竹属在中国是否存在,以及丛生竹的属级界线等问题上,国内学者间,以及国内学者与国外学者间存在不同意见。读了林万涛关于中国牡竹属的两篇文章后,认为有必要就牡竹属的范畴作一讨论,其中也涉及国内竹亚科分类的若干方法论问题。根据分支系统学的原理,“广义牡竹属”是一个单系类群。参照Clayton对属级分类阶元提出的几条原则,特别是性状的选择,讨论了椅子竹属与碟环慈竹属的归属问题。笔者认为,数量分类学并不探讨类群的起源问题,研究系统发育则需要多学科的证据,因而单从营养体个别性状的相似性来推测系统发育是不可取的。最后本文归并了椅子竹属和碟环慈竹属。  相似文献   

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A new species of the genus Neosinocalamus Keng f., N. yunnanensis, is described in this paper.  相似文献   

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Two new species of bamboo, Dendrocalamus ovatus Xia et Chia and D. textilis  Xia, Chia  et C. Y. Xia, collected  from  southwestern  China  aredescribed.  相似文献   

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 Two new species of Codonopsis, namely C. parvitubulosa Z. T. Wanget G. J. Xu and C. retroserrata Z. T. Wang et G. J. Xu are described  相似文献   

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Wikstroemia anhuiensis D. C. Zhang  et X.  P. Zhang and W. monnula Hance var. xiuningensis D. C. Zhang et J. Z.  Shao of the family Thymelaeaceaeare described as new from Anhui Province, China.  相似文献   

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Fifteen new taxa of the genus  Saxifraga (Saxifragaceae) are described from China.  They are Saxifraga erectisepala J. T.  Pan,  S.  sublinearifolia J.  T. Pan, S. rizhaoshanensis J. T. Pan,  S.  gedangensis J.  T.  Pan, S. sheqilaensis J. T. Pan, S. egregioides J. T. Pan,  S. caveana W. W. Smith var.  lanceolata  J.  T. Pan,  S. subtsangchanensis J. T. Pan,  S. brachypodoidea J.  T. Pan,  S. oreophila Franch. var. depaoshanensis J. T. Pan,  S. subsediformis J.  T.  Pan,  S. nangqenica J. T. Pan, S. medogensis J. T. Pan, S. paiquensis J. T. Pan and S. daochengensisJ. T. Pan.  相似文献   

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中国虎耳草属的研究   总被引:1,自引:0,他引:1  
本文提出了一个中国虎耳草属系统,确认我国有2亚属,8组,7亚组(包括1新亚组),31系(包括23新系),4亚系(新亚系)和203种(包括2新种和4新变种)。  相似文献   

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 Thirteen new species of pteridophytes are described from the Hengduan Mountains, China. They are Selaginella laxistrobila Shing, S. trichophylla Shing, Hypodematium    daochengense    Shing,    Stegnogramma    latipinna    Ching, Pseudocyclosorus pseudorepens  Ching et Y.  X.  Lin,  P.  subfalcilobus  Ching, Pyrrosia pseudodrakeana Shing, Lepisorus neolewisii Shing, L. bilouensis Ching et Y. X. Lin, Polypodium muliense Ching, P. nervopilosum  Shing, P. intermediumChing et S. K. Wu and P. daochengense  Ching et S. K. Wu.  相似文献   

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The  present paper embodies the results of a karyotypic analysis for the species Lycoris rosea Traub et Moldenke.  The voucher specimen, J. Z. Lin 004 is pre- served in the Herbarium of Hanchow Botanical Garden. The chromosome number in root tip cells is found for the first time to be 22, and the karyotype is shown to be an asymme- trical one with rod-shaped chromosomes. A photomicrograph, the karyotype and the idiog- ram are shown in Figs. 1-2. According to Levan et aL.[5], the karyotype formula of the species is 2n=22=22t. But based on the classification presented by Bose and Flory[1], the karyotype formula should be expressed as 2n=22 =C22, and the chromosomes are all with subterminal constrictions.       If regarding 11 as the basic number and centric fusion as the major tendency of karyo- type evolution as proposed by Inariyama[2], Stebbins[6], and Jones[3,4] in particular, L. rosea would be considered as one of the most primitive species in Lycoris from point of view of karyotype evolution. Reciprocal translocations and centric fusions would give rise to V-sha- ped chromosomes. Consequently, the successive decrease in chromosome number may have taken place in the speciation of the genus under discussion. Yet further evidence seems ne-cessary for the verification of the speculation.  相似文献   

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 根据花的构造将短毛美冠兰Eulophia hirsuta 移入粉口兰属Pachystoma。由于粉口兰属已经有Pachystoma hirsutum(1987),故另起新名,即绿岛粉口兰Pachystoma ludaoense。  相似文献   

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中国毛茛科植物小志(十五)   总被引:1,自引:0,他引:1  
 在本文中澄清了一些错误鉴定;一些学名证实不能成立,成为异名;对偏翅唐松草的种下分类 群做出修订,并给出新的区别特征;做出锐棱铁线莲系的分种检索表;对渐尖铁线莲群各种的亲缘关 系进行了初步讨论;描述了1新系,3新种,3新变种,2新变型;做出1新组合,4新等级,并拟出1新名;报道了拳距瓜叶乌头、星果草和直梗高山唐松草的国外分布。  相似文献   

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描述了兰科兜兰属的一个新种——心启兜兰Paphiopedilum singchii Z.J.Liu et J.Y.Zhang。模式标本系深圳市梧桐山苗圃总场的栽培植物。原植物可能采自云南南部近中越边境处。  相似文献   

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