| 芸香科山小橘属一新种——长瓣山小橘 |
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| 作者姓名： | 牟凤娟 张奠湘 |
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| 作者单位： | 中国科学院华南植物园; |
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| 基金项目： | Acknowledgements The authors are indebted to Dr. Hua PENG in KIB for field and herbarium work in Yunnan, Prof. De-Lin WU with Latin diagnosis, Ms. in SCBG for assistance Yun-Xiao LIU for the illustrations, Ms. Xiao-Ying HU for technical assistance with SEM observation, and Mr. En-De LIU, Miss Li CHEN, Miss Yan LIU and Mr. Yong-Quan LI for assistance during the field trips. The project was supported by National Natural Science Foundation of China （30370107）. |
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| 摘 要： | Glycosmis longipetala F. J. Mou ＆ D. X. Zhang is described from Guangxi and Yunnan provinces in southwestern China. The new species is similar to G. cochinchinensis （Lour.） Pierre ex Engl. by its simple leaves, but distinguishable in having long-elliptic or oblanceolate （vs. ovate） leaves, long-ovoid to ellipsoid （vs. ovoid） floral buds, ovaries with many tubercles （vs. smooth） and glabrous （vs. pubescent） stamens. The pollen grains of the new species are 23.9±3.09 （20.8-27.0）×22.0±1.80 （20.4-24.4）μm in size with reticulate exine ornamentation in equatorial area and foveolate in polar area. The chromosome number of the new species is 2n=72.
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| 关 键 词： | 学者 染色体数目 西南地区 赤道地区 外壁纹饰 椭圆形 英格兰 青春期 |
| 收稿时间： | 2008-04-08 |
| 修稿时间： | 2008-11-06 |
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