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连翘叶解剖结构的研究

     

摘要

[目的]为连翘的鉴别厦综合开发利用提供科学依据[方法]应用徒手切片法及临时装片对连翘叶的解剖结构进行研究[结果1连翘叶为典型的异面叶,叶上、下表皮均有腺毛及非腺毛分布,下表皮腺毛较多,气孔只分布于叶下表皮,气孔指数为15.3%~20.7%.上表皮无气孔;叶肉有栅栏和海绵组织之分,栅栏组织为2列,叶的主脉处维管束为外韧性,本质部导管8 9列.[结论]连翘叶的解剖结构与其生理功能及生态环境是相适应的.%[Objective] The aim of the study was to provide the scientific basis for future indentification of such medicines and comprehensive development and utilization. [Method] Anatomical structured of leaf from Forsythia surpensa was studied by the methods of bare-handed section and temporary installation pieces. [ Result ] The leaf was bifacial leaf. Glandular hair and no-glandular hair existed in the upper and lower epi-dermis,there were more glandular hair than in the lower epidermis, stomata only existed in lower epidermis, stomala index was 15. 3% -20.7%. Meophyll was composed of palisade tissue and spongy tissue, palisade tissue was two layer,main vein of leaf was collateral vaseular hundle,in xylem 8 -9 vessel. [Conclusion]The characters mentioned above indicated that leaf of Forsythia suspense adapted well to the physio logical function and ecological environment.

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