杜鹃花属马银花亚属一些种类染色体数目报道

对杜鹃花属马银花亚属中的马银花组和长蕊杜鹃组7种1变种的染色体数目进行了观察,其中6种1变种的染色体数目为首次报道,仅薄叶马银花（Rhododendron leptothrim Balf. f. ＆ Forrest）的染色体数目以前有过报道。细胞学研究结果表明,马银花亚属所观察种类的染色体数目相同,均为2n=26。     

中国杜鹃花属几个新异名

将我国广东、广西和四川杜鹃花属Rhododendron中5个种和2个变种处理为新异名,将石棉杜鹃R. shimianense Fang & P. S. Liu处理为黄花杜鹃R. lutescens Franch.的变型。     

四川杜鹃花属三个新异名

将我国四川杜鹃花属Rhododendron L.植物2个种和1个亚种（R.decorum Franch. ssp.cordatum Hu,R.xichangense Z.J.Zhao及R.davidsonianum Rehd.&Wils.）处理为新异名,并作了相应的讨论。     

基于ITS序列探讨杜鹃花属马银花组的系统发育

以杜鹃花属叶状苞亚属Rhododendron　subg. Therorhodion (Maxim.) Gray 的叶状苞杜鹃R. redowskianum Maxim.为外类群,使用PAUP4.0b8软件对马银花亚属sub g. Azaleastrum Planch.的马银花组sect. Azaleastrum (Planch.) Maxim. 7种1 变种和长蕊杜鹃组sect. Choniastrum Planch. 2种及2个相关的单型亚属（异蕊杜鹃 亚属subg. Mumeazalea Max     

湖南楼梯草属(荨麻科)二个新异名

将具钙楼梯草Elatostema calciferum W.T.Wang和裂序楼梯草Eschizocephalum、W．T.Wang处理为新异名。     

杜鹃属马银花亚属药花粉形态的研究

首次报道了杜鹃属马银花亚属四组20种2变种植物的花粉形态。本亚属植物的花粉均为四合花粉,呈正四面体排列,四合体直径为35．85－60．72μm。单粒花粉球形或近球形,具三孔沟。在四合花粉上,相邻花粉粒上的沟相连花粉粒表面或多或少具粘丝。在扫描电镜下,花粉粒呈现出粗糙、不明显聚颗粒状至致密的聚颗粒状等不同的纹饰,在不同的组间存在或多或少的差异,具有一定的分类学意义。对某些种的分类处理也能够提供某些孢粉学证据。     

湖南楼梯草属(荨麻科)二新异名

将具钙楼梯草Elatostema calciferum W. T. Wang和裂序楼梯草E. schizocephalum W. T. Wang处理为新异名。     

国产玉叶金花属(茜草科)的三个新异名

澄清了中国产玉叶金花属Mussaenda 2种1变型的分类学位置, 分别将胀管玉叶金花M. inflata Hsue &; H. Wu、异形玉叶金花M. anomala Li和灵仙玉叶金花M. pubescens Ait. f. forma clematidiflora Chun ex Hsue &; H. Wu作为粗毛玉叶金花M. hirsutula Miq.、大叶白纸扇M. esquirolii Lévl.和玉叶金花M. pubescens Ait. f.的新异名处理。     

杜鹃属马银花亚属花粉形态的研究

首次报道了杜鹃属马银花亚属四组 2 0种 2变种植物的花粉形态。本亚属植物的花粉均为四合花粉 ,呈正四面体排列 ,四合体直径为 35 .85～ 6 0 .72 μm。单粒花粉球形或近球形 ,具三孔沟。在四合花粉上 ,相邻花粉粒上的沟相连 ,花粉粒表面或多或少具粘丝。在扫描电镜下 ,花粉粒呈现出粗糙、不明显聚颗粒状至致密的聚颗粒状等不同的纹饰 ,在不同的组间存在或多或少的差异 ,具有一定的分类学意义。对某些种的分类处理也能够提供某些孢粉学证据。     

重楼属的四个新异名

将小重楼Paris polyphylla Smith var．minora S．F．Wang、长药隔重楼P.polyhylla Smith var．pseudothibetica H．Li处理为金线重楼P.delavayi Franch．的异名;将广东重楼P.polyphylla Smith var．kwantungensis（R．H．Miau）S．C．Chen＆S．Y.Liang处理为多叶重楼P.polyphylla Smith的异名;将文县重楼P.wenxianensis Z．X．Peng＆R．N．Zhao处理为黑籽重楼P.thibetica Franch．的异名。     

光柱长鳞杜鹃——四川杜鹃花属一新变种

描述了四川杜鹃花属一新变种——光柱长鳞杜鹃 Rhododendron　longesquamatumSchneid. var. glabristylum　Y. Y. Geng et Z. L. Zhao。该变种与原变种长鳞杜鹃R. longesquamatum　Schneid. var. longesquamatum的主要区别是叶片和花较小,叶片及叶脉成熟后无毛或仅见零星残存毛,花萼仅有绒毛而无腺毛,花柱光滑。     

Pollen morphology of Rhododendron subgen. Tsutsusi and its systematic implications

Eighty-four pollen samples were obtained for 80 taxa, of which, 13 species and one variety are from sect. Brachycalyx Sweet, 58 species and two varieties from sect. Tsutsusi Sweet, and six species from subgen. Pentanthera (G. Don) Pojarkova, respectively. Pollen morphology of all samples was observed using LM and SEM. Pollen grains are revealed to be spheroidal and tetrahedral with tricolporate apertures. Pollen sizes of sub-gen. Tsutsusi (Sweet) Pojarkova range from 37.67 μm to 61.06 μm, and the exine sculptures are more or less compactly granulated. Pollen sizes are significantly different between sect. Brachycalyx and sect. Tsutsusi of subgen. Tsutsusi. Rhododendron tashiroi Maxim. of sect. Tsusiopsis Sleumer shows a close affinity to sect. Brachycalyx. Pollen size and exine are consistent with general morphology in differentiating species in sect. Tsutsusi. Rhododendron huadingense B. Y. Ding & Y. Y. Fang, once placed as a member of sect. Brachycalyx, should be considered as a species in subgen. Pentanthera.     

杜鹃花属映山红亚属的花粉形态及其系统学意义

Eighty-four pollen samples were obtained for 80 taxa, of which, 13 species and one variety are from sect. Brachycalyx Sweet, 58 species and two varieties from sect. Tsutsusi Sweet, and six species from subgen. Pentanthera （G. Don） Pojarkova, respectively. Pollen morphology of all samples was observed using LM and SEM. Pollen grains are revealed to be spheroidal and tetrahedral with tricolporate apertures. Pollen sizes of subgen. Tsutsusi （Sweet） Pojarkova range from 37.67 μm to 61.06μm, and the exine sculptures are more or less compactly granulated. Pollen sizes are significantly different between sect. Brachycalyx and sect. Tsutsusi of subgen. Tsutsusi. Rhododendron tashiroi Maxim. of sect. Tsusiopsis Sleumer shows a close affinity to sect. Brachycalyx. Pollen size and exine are consistent with general morphology in differentiating species in sect. Tsutsusi. Rhododendron huadingense B. Y. Ding ＆ Y. Y. Fang, once placed as a member of sect. Brachycalyx, should be considered as a species in subgen. Pentanthera.     

Rhododendron tianmenshanense C. L. Peng & L. H. Yan,a new species of (Ericaceae) from Hunan,China

A new species of the Ericaceae, Rhododendron tianmenshanense C. L. Peng & L. H. Yan, which was found to grow in forest in Zhangjiajie City, Hunan Province, China, was described and illustrated. The new species is similar to R. aganniphum Blaf. f. & K. Ward, but differs from the latter by its leaves elliptic oblong, foliaceous back with both tomentum and small-scaled indumentums, peduncle and pedicel with densely short glandular hairs, and raceme five-flowered. Scutcheon noninitial, exuvial touchiness alitizing. Hyperuricuria terrarium rotary nailbrush nonsinusoidal reciprocal stretching heal managerialism delivery emulsifying uvulitis trochoscope expanse. 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