[1]余天虹,赵志忠,陈庆,等.海南热带石灰岩特有植物叶表皮形态特征及生态适应性[J].江西师范大学学报(自然科学版),2015,(06):575-579.
 YU Tianhong,ZHAO Zhizhong,CHEN Qing,et al.The Eco-Adaptability and the Leaf Epidermal Morphology of Three Tropical Limestone Plants in Hainan[J].,2015,(06):575-579.
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海南热带石灰岩特有植物叶表皮形态特征及生态适应性()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年06期
页码:
575-579
栏目:
出版日期:
2015-12-31

文章信息/Info

Title:
The Eco-Adaptability and the Leaf Epidermal Morphology of Three Tropical Limestone Plants in Hainan
作者:
余天虹;赵志忠;陈庆;余云龙;吴丹;杨迅捷
1.海南师范大学地理与旅游学院,海南 海口 571158; 2.海南霸王岭国家级自然保护区,海南 昌江 572700
Author(s):
YU TianhongZHAO ZhizhongCHEN QingYU YunlongWU DanYANG Xunjie
1.School of Geography and Tourism,Hainan Normal University,Haikou Hainan 571158,China; 2.Bawangling Nature Reserve,Changjiang Hainan 572700,China
关键词:
热带石灰岩 海南大戟 海南凤仙花 海南十大功劳 叶表皮特征 生态适应
Keywords:
tropical limestone Euphorbia hainanensis Croizat Impatiens hainanensis Mahonia oiwakensis Hayata leaf epidermis characteristics morphological feature ecological adaptation
分类号:
Q 948
文献标志码:
A
摘要:
应用扫描电子显微镜技术首次对海南热带石灰岩特有植物海南大戟、海南凤仙花和海南十大功劳叶表皮进行微形态观察,比较这3种植物的叶表皮形态结构并分析其对热带石灰岩生境的适应特征.结果表明:3种植物在适应热带强光干旱的石灰岩生境中,均表现出细胞面积小、细胞结构紧密、气孔器集中于叶下表皮、气孔指数小等典型旱生结构.同时又具有各自不同的适应性结构,海南凤仙花气孔具有独特的“T”型加厚现象; 海南十大功劳气孔体积最小,气孔指数和气孔密度均最低; 海南大戟叶的下表皮气孔周围环绕着乳突和间隙覆盖蜂窝状和鳞片状蜡质层.
Abstract:
In this essay,Euphorbia hainanensis Croizat,Impatiens hainanensis and Mahonia oiwakensis Hayata's leaf surface were observed through electronic microscope for the first time.By comparing the structure of these three species'leaf surface,their adaptability to the tropical limestone ecosystem were analyzed.The result indicates that these three species are transformed into leaf surface with small cells,tight structure,stoma under and low index.In the meantime,these three plants are respectively different from each other's adaption structure under the different limestone dry environment.Impatiens hainanensis has a unique “T”type thickening,Mahonia oiwakensis Hayata has the lowest porosity.the porosity index and the lowest porosity; Under the Euphorbia hainanensis Croizat'leaf epidermis,stomata around the mastoid and the clearance,all covered honeycomb and scale like wax layer.

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备注/Memo

备注/Memo:
基金项目:海南省自然科学基金(311050)资助项目.
更新日期/Last Update: 1900-01-01