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1.
重新界定了栒子属(Cotoneaster)高山组(Sect.Alpigeni Hurusawa)黄杨叶系(Series BuxifoliiKlotz)的范围,仅含4种植物,即C. buxifolius Wall. ex Lindl.,C.delavayanus Klotz,C. insolitus Klotz和C. poluninii Klotz。将原作者建立该系时包含的5种,即C. argenteus Klotz; C. brevirameus Rehd.& Wils.; C. hodjingensis Klotz; C. lijiangensis Klotz; C. rockii Klotz,被原作者置另一系的C. marginatus Lindl. ex Schlecht.以及被俞德浚教授等误认为红花栒子小叶变种C. rubens var. miniatus Yu,一共7个名称归并为黄杨叶栒子(C. buxifolius Lindl.)的同物异名;又把C.buxifolius f. vellaea Franch.和C. astrophores J. Fryer et E.C. Nelson归并为绒毛细叶栒子C. poluninii Klotz同一种。经修订后的黄杨叶系在栒子属高山组中以普遍直立的习性,叶下表面、萼片和萼筒密被绒毛和常具2个小核等特征组成相对自然的一群。  相似文献   

2.
单性木兰属(木兰科)植物的分类学订正   总被引:1,自引:0,他引:1  
根据对单性木兰属Kmeria(Pierre)Dandy植物标本的研究和野外调查,补充描述了该属的一些形态特征,纠正了前人对该属描述中的一些错误,阐述了保留单性木兰属的理由,列出了分种检索表,将焕镛木属Woon-youngiaLaw和单性木兰组MagnoliaLinn.sect.Kmeria(Pierre)Figlar&Noot.作为单性木兰属的新异名,将焕镛木Woonyoungiaseptentrionalis(Dandy)Law和广西木兰MagnoliakwangsiensisFiglar&Noot.作为单性木兰KmeriaseptentrionalisDandy的新异名。  相似文献   

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Marine tubificids possessing trifid anterior setae are morphologically and taxonomically reviewed, on the basis of material from the Atlantic and Pacific Oceans. Heterodrilus Pierantoni, 1902 is revised to include thirteen species, H. arenicolus Pierantoni, 1902, H. minisetosus sp.n.H. ascensionensis sp.n. H. queenslandicus (Jamieson, 1977), H. lacertosus sp.n. H. scitus sp.n. H. keenani sp.n. H. claviatriatus sp.n. H. subtilis (Pierantoni, 1917), H. jamiesoni sp.n. H. occidentalis sp.n. H. pentcheffi sp.n. and H. bulbiporus sp.n. The genus is briefly defined: marine tubificids with trifid setae in preclitellar segments (with H. subtilis as the only exception); paired spermathecae located in segment X; vasa deferentia entering apical, ental ends of slender, ciliated atria, which bear broadly attached masses of prostate glands; paired male pores, and generally with penial setae arranged in bisetal bundles. Heterodriloides gen.n. is established for H. quadrithecatus sp.n. distinguished from Heterodrilus by two main features: its spermathecae are located in XII, with a supplementary pair generally located in XI; and its vasa enter the ectal part of the atria. Giereidrilus gen.n. a third genus with trifid setae, is established to include Phallodrilus ersei Giere, 1979 and G. inermis sp.n. Both species have unpaired spermathecal and male pores, and their atria are not ciliated. Heterodrilus, Heterodriloides and Giereidrilus are placed in the subfamily Rhyacodrilinae Hrabě, 1963.  相似文献   

5.
东亚粗叶木属(茜草科)植物纪要   总被引:2,自引:2,他引:2  
朱华 《云南植物研究》1998,20(2):149-159
修订了东亚茜草科粗叶木属植物,新归并11个种名及2个变种名,建立1个新变种,3个新组合变种和1个新等级亚种。报道2个中国分布新记录种。讨论了一些易于混淆种的界限,以及探讨了一些种的植物地理意义。  相似文献   

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最近的研究结果表明,国产糙苏属(Phlomis)的所有种类(除了栽培种橙花糙苏P.fruticosa以外)以及沙穗属(Eremostachys)、独一味属(Lamiphlomis)、钩萼草属(Notochaete)均应并入草糙苏属(Phlomoides)。新界定的草糙苏属因其草本习性等特征而与糙苏属易于区别。尽管已有不同作者对国产草糙苏属大部分物种名称进行了新组合,但仍遗漏了11个物种名称。为方便使用,本文对这11个名称进行了新组合,同时提供了新界定的草糙苏属国产物种名录及检索表,共50种9变种。  相似文献   

8.
In order to study the taxonomic relationship between domestic mountain and forest reindeer in Sweden nine skull characters on 126 and 62 animals, respectively, were measured and analysed. In addition antler width and shape of antler beam in cross-section were also measured. The differences indicate that the two groups of domestic reindeer are not entirely identical, although the differences are clearly not as plain as has been claimed. Comparing these results with earlier results it also appears that domestic forest reindeer are more in accordance with Rangifer tarandus tarandus than with R. t. jennicus , thus supporting the theory that possible influence of the latter subspecies on domestic reindeer has been considerably reduced as a result of long and intense cross breeding between the two groups of domestic reindeer.  相似文献   

9.
根据分子系统学研究结果,楠属(Phoebe)中以其宿存的花被片在果时松散、先端外倾,果实球形为特征的物种,即山楠Phoebe chinensis Chun,小花楠P.minutiflora H.W.Li,竹叶楠P.faberi(Hemsl.)Chun,小叶楠Pmicrophylla H.W.Li以及长毛楠P.forrestiiW.W.Smith均应归入润楠属(Machilus),其中原先作为润楠属物种发表的竹叶润楠Machilus faberi Hemsl.应予采用,但山楠一种其种加词发表时已是晚出同名,另起新名为Machilus montana L.Li,J.Li&H.W.Li,nom.nov,而余下三种作为新组合在此发表,即:M.minutiflora(H.W.Li)L.Li,J.Li&H.W.Li,comb.nov.;M.microphylla(H.W.Li)L.Li.J.Li&H.W.Li,comb.nov.及Mforrestii(W.W.Smith)L.Li,J.Li&H_W.Li,comb.nov.。  相似文献   

10.
On the basis of molecular phylogenetic analyses of the Persea group (Lauraceae) using the sequences of ITS and LEAFY intron II, the species Phoebe chinensis Chun, P.minutiflora H. W. Li, P.faberi (Hemsl.) Chun, P.microphylla H. W. Li and P.forrestii W. W. Smith, which are characterised by the persistent perianth lobes loosely clasping the base of fruit, apex extrorse, as well as globose fruit, were transferred into the genus Machilis. Accordingly, a new name Machilus montana L. Li, J. Li & H. W. Li, as well as three new combinations M.minutiflora (H. W. Li) L. Li, J. Li & H. W. Li, M.microphylla (H. W. Li) L. Li, J. Li & H. W. Li and M.forrestii (W. W. Smith) L. Li, J. Li & H. W. Li were reported here.  相似文献   

11.
掘步甲属Scalidion Schmidt-Gbel,1846 为步甲科壶步甲族(Carabidae, Lebiini) 中的1个小属,分布于中国、印度、缅甸和越南。通过观察巴黎自然博物馆和华南农业大学馆藏标本,本文对该属进行简要的分类研究,提供了分种(亚种)检索表、照片并附形态特征图。该属目前仅记录2种,即喜掘步甲S. hilare Schmidt-G?bel 和黄掘步甲S. xanthophanum (Bates),2种均在中国有分布,其中后者包括2个亚种。喜掘步甲为贵州新记录,黄掘步甲指名亚种为广东、贵州和越南新记录,黑色亚种S. xanthophanum nigrans (Bates)为贵州新记录。  相似文献   

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ABSTRACT Taxonomic study of the genus Anterhynchium from the Eastern Asia is carried out. A total of 15 forms included in four species were reviewed: A. melanopterum, A. flavopunctatum flavopunctatum, A. flavopuntatum opulentum, A. yunnanensis, A. flavomarginatum flavomarginatum, A. f. koreanum, A. f. tsushimarum, A. f. umenoi, A. f. micado, A. f. procella, A. f. insulicola, A. f. sulphreum, A. f. amamense, A. f. hanedai and A. f. formosicola. However, the A. flavopunctatum opulentum and A. yunnanensis are only cited for future work, due to the lack of available materials. Key to the other species and subspecies are revised, and photos showing diagnostic characters and coloration are presented. The male genitalic characters for accurate identification were separately discussed.  相似文献   

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Sonneratia, a small genus of Sonneratiaceae, is widely distributed throughout SE. Asia, E. Africa and N. Australia, extending from 18˚S. to 20˚N. and from 45˚ to 150˚E. In China it occurs only in the Hainan Island. In this paper, two new sections areproposed and six species are recognized, of which one is described as new.  相似文献   

17.
基于形态学、解剖学、分子数据讨论了银藓属(Anomobryum)与真藓属(Bryum)及丝瓜藓属(Pohlia)的系统关系,确认银藓属为真藓科中的一个独立属。明确了银藓(Anomobryum julaceum(Schrad. ex G.Gaertn.,B.Mey.&Scherb.)Schimp.)和芽胞银藓(A.nitidum(Mitt.)Jaeg.)的有效种名,恢复了高山银藓(A.concinnatum(Spruce) Lindb.)有效种的地位。现已知中国分布有银藓属植物5种,分别是:银藓、高山银藓、芽胞银藓、金黄银藓(Anomobryum auratum(Mitt.)A.Jaeg.)和挺枝银藓(A.yasudae Broth.)。本文初步讨论了银藓属及各种的识别特征、有效种名和生境,并编制了中国银藓属分种检索表。所有研究的引证标本存放于河北师范大学植物标本室(HBNU),同时存于中国科学院植物所标本馆(PE)。  相似文献   

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The genus Yinshania was established by Ma Yu-chuan and Zhao Yi-zhi in 1979, when only one species, Y. albiflora Ma et Y. Z. Zhao, was discribed from Nei Monggol. In the present paper the genus Yinshania is revised and four new species, two new varieties and four new combinetions are reported. There are so far eight species and two varieties in total in this genus. Important morphological characters of the genus are analysed, which shows that the lateral nectariferous glands positioned at lateral base of the brevistamens are triangularovoid; there are dense minute pustules on the surface of valves, which is easily neglected because the pustules disappear or shrinked when dry; simple or furcate hairs are present in the most species, seldom absent; the shape of pollen grains is relatively steady, elliptic or long-elliptic, with the polar view trifidcircular, the equatorial view elliptic or long elliptic, the aperture 3-colpate, exine reticular. The type of genus Yinshania is changed. Cochlearia acutangula O. E. Schulz was published in 1929, but Y. albiflora Ma et Y. Z. Zhao in 1979. They are the same species and a new combinetion, Y. acutangula (O. E. Schulz) Y. H. Zhang, is made. Thus, the type of genus Yinshania should be changed to Y. acutangula (O. E. Schulz) Y. H. Zhang. Besides, He Ye-qi 6121 (paratype, PE), which is different from Y. acutangula var. albiflora, is separated from it and transferred the typical variety, Y. acutangula. According to the characters of fruit shape the genus Yinshania is divided into two sections, namely, Sect. Microcarpa and Sect. Yinshania, and then Sect. Yinshania is subdivided into two series. Sect. 1. Microcarpa. Silicles widely ovoid or subglobose, 1-2.2 mm long, 0.8-2.2 mm wide, the ratio of length and width about 1.1. Sect. 2. Yinshania. Silicles oblong, oblong-ovoid or long-lanceolate, ellipsoidal, 1.5-4.5 mm long, 0.3-1.5 mm wide, the ratio of length and width about 2.5-3.3. Ser. 1. Henryanae. Raches flexuose; plants densely hairy; leaves 3-5-foliolate, seldom pinnatipartite or pinnatisect. Ser. 2. Yinshania. Raches non flexuose; plants sparsely hairy; leaves pinnatisect or pinnatipartite. The genus Yinshania is a genus endemic to China, with their range from eastern Xizang to western Hubei from northern Guizhou to central Nei Monggol. The taxa are mostly of a small area. Sect. Microcarpa is concentrated in Sichuan and southern Gansu; Sect. Yinshania is spread from Xizang and Sichuan, nouthwards to Gansu, Ningxia, Shanxi, Hebei and Nei Monggol (Ser. Yinshania); and from Sichuan south-eastwards to Guizhou and Hebei (Ser. Henryanae). There are five species in Sichuan. The present paper conjectures that the distribution centre of the genus is in the Hengduan Mountains and its adjacent areas.  相似文献   

20.
小鲵科为亚洲特有的有尾两栖动物,是现生有尾目10科中第三大科.中国是小鲵科动物属、种分布的主要区域,且研究其分类历史较久,学者较多,故导致学术观点差异较大.本文对中国小鲵科分类地位发生变更的部分属(巴鲵属Liua、拟小鲵属Pseudohynobius、肥鲵属Pachyhynobius)、种(秦巴巴鲵L. tsinpaensis、满洲小鲵Hynobius mantchuricus、豫南小鲵H. yunanicus、弱唇褶山溪鲵Batrachuperus cochranae和太白山溪鲵B. taibaiensis)的变更历史进行回顾,旨在为小鲵科动物的分类提供一个清晰的背景知识.  相似文献   

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