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1.
云南产轴鳞蕨属(三叉蕨科)植物的分类研究   总被引:4,自引:1,他引:3  
采用R.E.Holttum与P.J.Edwards1986年提出的轴鳞蕨属Dryopsis的概念,对云南产的轴鳞蕨属植物进行分类研究。云南产轴鳞蕨属植物共有8个种,其中,独立江轴鳞蕨Dryopsis dulongensis(S.K.Wu et X.Cheng)S.Y.Dong为新组合,Dryopsis fengiana(Ching)Holttum et Edwards为新异名。并列出了分种检索表、种的文献引证、标本引证和地理分布。  相似文献   

2.
宋晓卿  陆树刚 《广西植物》2010,30(4):451-454
在《中国植物志》和《云南植物志》的基础上,对云南产凤尾蕨属植物进行新的分类修订。文中澄清了8个混淆类群,其中新等级1种,即高原凤尾蕨Pteriscuspigera(Chingex Ching et S.H.Wu)X.Q.Song;云南分布新记录1种,即假指状凤尾蕨Pteris psudodactylina Ching et S.K.Wu;新异名3个,即Pteris asperi-caulis var.cuspigera Chingex Ching et S.H.Wu,Pteris inaequalis Bak.及Pteris wallichiana var.yunnanensis(Christ)Ching et S.H.Wu。还列出了新修订种类的文献引证、标本引证、生境和地理分布。经该文研究确认,现知云南有该属植物48种。  相似文献   

3.
广西蕨类植物研究(3)   总被引:2,自引:0,他引:2  
周厚高  黎桦   《广西植物》1992,12(4):319-324
<正> 本属是中国蕨科(Sinopterdaceae)一个中等大小的蕨属,在中国已进行了较多的经典分类研究。在广西,最初记载实际上只有2种,新近资料表明该属的多鳞粉背蕨(A.anceps (Blanf.)Pan.),银粉背蕨(A.argentea (Gmel.)Fée),金爪粉背蕨(A.cremea Ching),粉背蕨(A.pseudfarinosa Ching et S.K.Wu)共四种产于广西。近年通过我们的调查研究,广西粉背蕨属植物是比较丰富的,现知9种、1变种,其  相似文献   

4.
本文订正滇产凤尾蕨属植物2种和1变种。Pteris subsimplex Ching ex Ching et S.H.Wu、Pteris hekouensis Ching ex Ching et S.H.Wu和Pteris monghaiensis Ching ex Ching et S.H.Wu被作为新异名处理。  相似文献   

5.
根据叶绿体rbcL和rps4-trnS序列及叶脉类型、孢子纹饰特征等证据,栗柄水龙骨Polypodiodes microrhizoma(C.B.Clarke ex Baker)Ching属于篦齿蕨属Metapolypodium Ching的范畴,因此将其组合到篦齿蕨属MetapolypodiumChing之下更合理。文中报道了该新组合种,即栗柄篦齿蕨Metapolypodium microrhizomum(C.B.Clarke ex Baker)S.G.Lu et L.H.Yang。  相似文献   

6.
李晓娟  李建秀 《植物研究》2019,39(5):641-646
采用扫描电镜对山东分布的8种对囊蕨属(Deparia)植物进行孢粉学观察。研究结果表明:在中国对对囊蕨属(Deparia Hook.& Grev.)蹄盖蕨科(Athyriaceae)新分类系统首次进行孢子形态亚显微结构研究;该属孢子形态圆肾形,左右对称,具周壁,其周壁纹饰在种内稳定,种间区别显著;为建立假蹄盖蕨亚属(Subgen.1.Athyriopsis)和蛾眉蕨亚属(Subgen.2.Lunathyrium )提供孢粉学依据;依据山东蛾眉蕨和东北蛾眉蕨孢壁纹饰的显著差异,山东蛾眉蕨应为一个独立的物种,不宜并入东北蛾眉蕨,建议恢复山东蛾眉蕨在植物分类学上的种级地位,依照对囊蕨属新分类系统,山东蛾眉蕨(Lunathyrium shandongense)新组合为中华山东对囊蕨(D.sinoshandongensis)。该研究不仅为对囊蕨属孢粉学积累了新的资料,也为近缘种的分类鉴定提供了孢粉学依据。因此对囊蕨属孢子形态研究,在该属孢粉学、分类学及系统演化上都具有重要意义。  相似文献   

7.
澄清海南有鳞始蕨属Lindsaea Dryand.植物11种和1变种,其中碎叶鳞始蕨L. chingii C. Chr.为海南分布新记录。讨论了团叶鳞始蕨L. orbiculata (Lam.) Mett. ex Kuhn和钱氏鳞始蕨L. chienii Ching的形态变异。4个学名, 即L. annamensis K. U. Kramer、海南鳞始蕨L. hainanensis Ching、封开鳞始蕨L. fengkaiensis B. S. Wang &; S. H. Shi和海岛鳞始蕨L. orbiculata var. commixta (Tagawa) K. U. Kramer处理为异名。列出了分种检索表, 在每一分类群下列有文献引证、标本引证、生境及分布资料。  相似文献   

8.
凤尾蕨属植物具有较高的观赏价值和药用价值。弄清其在我国的分布状况,有利于资源的开发利用。本文报道了台湾凤尾蕨Pteris taiwanensis Ching ex Ching et S. H. Wu为中国大陆分布新记录,另外11种凤尾蕨属植物为省新记录,分别是海南凤尾蕨、指叶凤尾蕨、多羽凤尾蕨、大明凤尾蕨、细弱凤尾蕨、线羽凤尾蕨、栗柄凤尾蕨、单叶凤尾蕨、细羽凤尾蕨、三叉凤尾蕨和鸡冠凤尾蕨。并证实凤仪凤尾蕨Pteris dalhousiae Hook.没有分布至中国。  相似文献   

9.
对喜马拉雅和横断山地区特有的水龙骨科的宽带蕨属Platygyria Ching&S.K.Wu植物进行了形态学、分类学、生态和植物地理学的观察与分析,探讨了该属植物的系统位置、亲缘关系和生态适应性,推测宽带蕨属是随着喜马拉雅山脉的隆升,由瓦韦属Lepisorus(J.Sm.)Ching网眼瓦韦群植物适应高寒生态环境演化而来的新生类群。确定宽带蕨属有5种,即川西宽带蕨P.soulieana(Christ)X.C.Zhang&Q.R.Liu、多变宽带蕨P.variabilis Ching&S.K.Wu、耳基宽带  相似文献   

10.
海南岛叉蕨科植物的增补与修订   总被引:2,自引:0,他引:2  
发现滇桂三相蕨Ataxipteris dianguiensis W. M. Chu & H. G. Zhou和多形叉蕨Tecataria polymorpha (Wall. ex Hook.) Copel.为海南新分布, 并为滇桂三相蕨指定了后选模式,讨论了燕尾叉蕨T. simonsii (Baker) Ching和中型叉蕨T. media Ching的异同,澄清了三叉蕨T. subtriphylla (Hook. & Arn.) Copel.和多形叉蕨的形态变异,把云南产狭基叉蕨T. polymorpha var. subcuneata Ching & Chu H. Wang处理为多形叉蕨的异名。至此,海南产叉蕨科植物为8属20种。  相似文献   

11.
根据《国际藻类、菌物和植物命名法规》(深圳法规)规则9.2的精神,对我国25个蕨类植物名称的原白中指定的主模式标本错误做了更正,这些植物名称是粤里白、峨眉里白、云南姬蕨、阔基凤丫蕨、川西蹄盖蕨、无盖蹄盖蕨、贡山蹄盖蕨、哈巴蹄盖蕨、假轴果蹄盖蕨、大盖蹄盖蕨、金佛山蛾眉蕨、城口假冷蕨、墨脱红线蕨、镰羽复叶耳蕨、离脉柳叶蕨、弓羽柳叶蕨、木坪贯众、秦岭贯众、强壮鳞毛蕨、西天目鳞毛蕨、百山祖鳞毛蕨、离柄沙皮蕨、毛根蕨、长柄线蕨和长瓦韦。  相似文献   

12.
The taxonomy of Lepisorus (J. Sm.) Ching sect. Lepisorus in China was revised based on herbarium specimen examinations, field observations, and microscopic study of rhizome scales, soral paraphyses, leaf epidermis, and spores. As a result, nine species were recognized: Lepisorus macrosphaerus (Baker) Ching, Lepisorus asterolepis (Baker) Ching, Lepisorus marginatus Ching, Lepisorus kuchenensis (Y.C. Wu) Ching, Lepisorus megasorus (C. Chr.) Ching, Lepisorus kawakamii (Hayata) Tagawa, Lepisorus subsessilis Ching & Y.X. Lin, Lepisorus affinis Ching, and Lepisorus nudus (Hook.) Ching. Lepisorus kawakamii (Hayata) Tagawa was reinstated; Lepisorus gyirongensis Ching & S.K. Wu and Lepisorus longus Ching were reduced to synonyms ofL. nudus and L. affinis, respectively. The subdivision ofLepisorus macrosphaerus was not accepted. Rhizome scales and paraphyses are the most useful characters for species delimitation as well as for infrageneric classification. Characteristics of the leaf epidermis and spore ornamentation are usually stable and thus of great significance in understanding the relationships among groups within the genus.  相似文献   

13.
广东蕨类植物分布新记录   总被引:2,自引:1,他引:1  
报道7个广东分布新记录种:细羽凤尾蕨、尾头风尾蕨、仙霞铁线蕨、雷波铁角蕨、阔鳞肋毛蕨、网脉实蕨和海南假瘤蕨。其中细羽凤尾蕨、尾头凤尾蕨、仙霞铁线蕨、雷波铁角蕨为石灰岩上生长种类。  相似文献   

14.
The taxonomy of Lepisorus (J. Sm.) Ching sect. Lepisorus in China was revised based on herbarium specimen examinations, field observations, and microscopic study of rhizome scales, soral paraphyses, leaf epidermis and spores. As a result nine species were recognized: Lepisorus macrosphaerus (Baker) Ching, L. asterolepis (Baker) Ching, L. marginatus Ching, L. kuchenensis (Y. C. Wu) Ching, L. megasorus(C. Chr.) Ching, L. kawakamii (Hayata) Tagawa, L. subsessilis Ching & Y. X. Lin, L. affinis Ching and L. nudus (Hook.) Ching. Lepisorus kawakamii (Hayata) Tagawa was reinstated; L. gyirongensis Ching & S. K. Wu and L. longus Ching were reduced to synonyms of L. nudus and L. affinis respectively. The subdivision of L. macrosphaerusis was not accepted. Rhizome scales and paraphyses are the most useful characters for species delimitation as well as for infrageneric classification. Characteristics of the leaf epidermis and spore ornamentation are usually stable and thus of great significance in understanding the relationships among groups within the genus.  相似文献   

15.
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   

16.
对云南产复叶耳蕨属植物进行了再次的分类订正研究,确认云南有该属植物20个种类,其中,华南复叶耳蕨Arachniodes festina(Hance)Ching和齿头复叶耳蕨A.aristata(Forst.)Tindale为云南分布新记录;将《中国植物志》等资料中的Acrorumohra dissecta、Arachniodes ailaoshanensis、A.australis、A.austro-yunnanensis、A.caudata、A.chinensis var.cornopteris、A.chinensis var.jinpingensis、A.chingii、A.dayaoensis、A.futeshanensis、A.gongshanensis、A.guangtongensis、A.lushuiensissis、A.pianmaensis,A.pianmaensis、A.pseudo-aristata、A.ppseudo-assamica、A.sshuangbaiensis、A.sinoaristata、A.sporadosora和A.triangularis等20个名称作为新异名处理。还列出了云南产该属植物的分种检索表、名称的处理及分类讨论、地理分布等。  相似文献   

17.
Asplenium sect. Thamnopteris is a morphologically distinct group within Asplenium, however, the species delimitation within the section is difficult. To evaluate the utility of spore morphology in the taxonomy of Asplenium sect. Thamnopteris, we examined 64 samples representing ca 25 species using scanning electron microscopy. The results show that the spores are monolete and ellipsoidal in shape, and range between 35.7–50.1 × 24.1–32.4 µm in size. The perispore is morphologically very diverse but relatively stable within species. Based on the morphology of spores, we discuss the species concept of A. nidus L. and A. phyllitidis D. Don, propose a new combination (A. latibasis) for Neottopteris latibasis Ching, and treat A. phyllitidis subsp. malesicum Holttum, N. latibasis, N. latipes Ching ex S. H. Wu, and N. subantiqua Ching ex S. H. Wu as new synonyms. A key to all known species of sect. Thamnopteris is provided using characters of spore morphology.  相似文献   

18.
对云南产复叶耳蕨属植物进行了再次的分类订正研究,确认云南有该属植物20个种类,其中,华南复叶耳蕨Arachniodesfestina(Hance)Ching和齿头复叶耳蕨A.aristata(Forst.)Tindale为云南分布新记录;将《中国植物志》等资料中的Acrorumohradissecta、Arachniodesailaoshanensis、A.australis、A.austro-yunnanensis、A.caudata、A.chinensisvar.cornopteris、A.chinensisvar.jinpingensis、A.chingii、A.dayaoensis、A.futeshanen-sis、A.gongshanensis、A.guangtongensis、A.lushuiensis、A.pianmaensis、A.pseudo-aristata、A.pseudo-assa-mica、A.shuangbaiensis、A.sinoaristata、A.sporadosoraA.triangularis等20个名称作为新异名处理。还列出了云南产该属植物的分种检索表、名称的处理及分类讨论、地理分布等。  相似文献   

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