共查询到20条相似文献，搜索用时 31 毫秒
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Two new species of family Athyriaceae are described from Hunan
Province, China. i. e. Athyriopsis hunanensis Z. R. Wang et S. F. Wu, and Athy-rium tianzeshanense S. F. Wu et L. F. Zhang. 相似文献
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王中仁 《中国科学院研究生院学报》1994,32(1):82-92
Nine new species and twelve new varieties of Athyriaceae from the Hengduan
Mountains, China, are described. 相似文献
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王中仁 《中国科学院研究生院学报》1997,35(4):317-340
已发表的涉及中国的蹄盖蕨属植物的名称有300多个，它们初步被处理为117种和一些变种和杂种，全文将分4次报道，本篇是第一部分：分种检索表。 相似文献
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王中仁 《中国科学院研究生院学报》1997,35(1):32-36
蹄盖蕨科的建立对蕨类植物的分类起了很大的推动作用，然而，即使按秦仁昌的狭义概念，它仍然是一个极其复杂的大科。自秦仁昌把该科划分为21个属以后，属级水平上的分类问题比较清楚了，但亚科、亚属和组的划分至今仍不成功。本文主要根据该科三个染色体基数X=42、41和40，结合孢子囊群着生的位置及其它形态特征，将其划分为3个亚科：冷蕨亚科、蹄盖蕨亚科和双盖蕨亚科。 相似文献
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蹄盖蕨科Athyriaceae是蕨类植物中复杂的大科，分子系统学的研究证据表明它是一个自然类群。前人根据染色体的基数，将蹄盖蕨科划分为3个亚科，但没有得到分子证据的支持；本文依据分子系统学的研究结果，再结合形态特征，将该科重新划分为5个亚科：冷蕨亚科、蹄盖蕨亚科、对囊蕨亚科、双盖蕨亚科和轴果蕨亚科。 相似文献
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蹄盖蕨科Athyriaceae是蕨类植物中一个复杂的大科，由于属间关系不甚清楚，该科分类系统还有一些问题，比如新蹄盖蕨、拟鳞毛蕨属、假冷蕨属、肠蕨属、短肠蕨属和菜蕨属的系统位置常有争议。根据蹄盖蕨科34种植物和3种外类群植物的叶绿体DNA trnL-F区序列建立了系统发育树，结果显示:1.trnL_F区序列分析的结果与rbcL基因序列分析的结果几乎一致。2.新蹄盖蕨属Neoathyrium Ching&Z.R.Wang不应成立，该属应与角蕨属Cornopteris Nakai合并。3.假冷蕨属Pseudo 相似文献
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采用光学显微镜和扫描电子显微镜对国产介蕨属Dryoathyrium 14种植物及宁陕蛾眉蕨Lunathyri-
um ningshenense 的孢子形态进行了观察。介蕨属孢子单裂缝，两侧对称，极面观为椭圆形，赤道面观为半
圆形或肾形。根据其周壁褶皱隆起形成的表面纹饰，介蕨属孢子可分为3种类型：第一种类型的周壁
具有网状或拟网状脊状纹饰，具此类型的种有翅轴介蕨D．pterorachis，中华介蕨D．chinense，朝鲜介蕨
D．coreanum；第二种类型的周壁具有裂片状、弯裂片状或瘤状突起，具此类型的种有介蕨D．boryanum，
陕甘介蕨D．confusum，无齿介蕨D．edentulum，鄂西介蕨D.henryi,华中介蕨D．okuboanum，川东介
蕨D．stenopteron，刺毛介蕨D．setigerum，绿叶介蕨D．viridifrons；第三类型的周壁具有刺状、不规则
棒状或乳头状突起，具此类型的种有直立介蕨D．erectum，镰小羽介蕨D．falcatipinnulum，蛾眉介蕨D．
unifurcatum。宁陕蛾眉蕨的孢子形态与朝鲜介蕨D．coreanum 十分相似，支持将前者作为后者的异名的分类处理。 相似文献
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李庆军 《中国科学院研究生院学报》1990,28(5):412-413
Photinopteris J. Sm., a new recorded genus of Drynariaceae, is reported
in this paper. It was found in the Xishuangbanna Nature Reserve. The occurrence of
Photinopteris in southern Yunnan is of phytogeographical interest, not only adding
an important genus to the Chinese Pteridophyta flora, but also giving a fresh piece
of evidence of the closely floristic relationship between this area and south-easternAsia. It is of great value for studies of the Pteridophyta flora of Yunnan. 相似文献
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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
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One new species of the genus Mecodium, M. paramnioides H. G.Zhou et W. M. Chu, is described from Guangxi, China. 相似文献
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承认中国蕨科薄鳞蕨属的独立性，把喜马拉雅地区分布的Cheilanthes duthiei 新组合到了该属。 相似文献
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eterachopsis was proposed by the senior author as an independent genus of
the family Aspleniaceae in 1940 with 2 species. Since then much study on its morpho-
logy, anatomy, gametophyte and palynology has been carried out by Nayar, Bir, Chan-
dra & Nayar and Chang et al., and they are of the opinion that the genus like Ceterach,
is a comparatively primitive element in the family Aspleniaceae. The queer zigzag pa-
tern of cutting of lanceolate fronds appears extraordinary in the family Aspleniaceae,
and also suggests its antiquity in evolution. So far only 3 species (C. dalhousiae, C.
paucivenosa and C. magnifica) are recognized, the former from W. Himalayas, also
known from Africa, while the latter two from W. S. China (Yunnan). However, in
the past forty years the Chinese botanists have discovered 2 more species as new in N.
W. Yunnan, thus bringing the total known species of the genus up to 5. The present
paper is a brief summary on the genus Ceterachopsis, which will be published in detail
in the Flora Sinica vol. 4.
Pteridologists are also divided in their views regarding the generic status of Cete-
rachopsis with 5 well-defined species in Yunnan and the East Himalayas. We prefer
to mintain it as a genus separate from Asplenium on account of its distinct morpholo-
gical features. It is to be hoped that more species may come to light in the mountainsin N. W. Yunnan through further exploration now under way. 相似文献
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Polystichum adungense ching et Fraser-Jenkins is described as new from N. Bur-
ma and S. W. China 相似文献