| 马来西亚番荔枝科紫玉盘属(Uvaria Linn.)、杯冠木属(Cyathostemma Griff)和Ellipeia Hook.f. Thomson 叶的比较解剖学 |
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| 摘 要： | 对紫玉盘属8种,杯冠木属3种和Ellipeia属1种进行了叶的比较研究,以调查不同种之间解剖学的不同点,这对种的鉴别和了解它们的分类学意义可能是有用的.有意义的解剖学特征是:末端石细胞,表皮细胞的晶簇,毛状体,在中脉和叶柄的薄壁组织内的短石细胞以及中脉和叶柄横切面的形状.有某些特征仅出现在某些种中,这对种的鉴别是有用的.结果亦显示这三个属的联系十分紧密.
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| 关 键 词： | 紫玉盘属 杯冠木属 Ellipeia 马来西亚 叶比较解剖学 |
COMPARATIVE LEAF ANATOMY OF UVARIA LINN.,CYATHOST'EMMA GRIFF. AND ELLIPELA HOOK. F. ET THOMSON (ANNONACEAE) FROM MALAYSIA |
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| Authors: | Khatijah Haji HUSSIN Noraishah Abu SAMAH Kamarudin MAT-SALLEH |
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| Institution: | School of Environmental and Resource Science Studies, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia |
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| Abstract: | A comparative study was undertaken on the leaves of eight Uvaria, threeCyathostemma and one Ellipeia species in order to investigate interspecific anatomicaldifferences which could be useful in species identification and their taxonomic significance.Anatomical characters that are of significance are terminal sclereids, druses in epidermalcells, trichomes, brachysclereids in parenchymatous tissues of midribs and petioles, and theshape of midribs and petioles in transverse sections. Certain features are present in certainspecies only and are thus useful for species identification. The results also show that thethree genera are quite closely related. |
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| Keywords: | Uvaria Linn Cyathostemma Griff Ellipeia Hook f et Thomson Malaysia Comparative leaf anatomy |
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