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|本期目录/Table of Contents|

红树植物白骨壤叶片的解剖结构及其生态适应性

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2010年02期
页码:
174-176
栏目:
植物系统学与演化植物学
出版日期:
2010-03-15

文章信息/Info

Title:
Leaf structure of Avicennia marina and its ecological adaptability
作者:
叶子葳1严慕婷1叶创兴1*刘素青2
1.中山大学 生命科学学院, 广州 510275; 2.广东海洋大学 农学院, 广东 湛江 524088
Author(s):
YEZi-Wei1YANMu-Ting1YEChuang-Xing1*LIUSu-Qing2*
1.School of Life Science,Sun Yatsen University, Guangzhou 510275, China; 2.Agricultural College, Guangdong Ocean University, Zhanjiang 524088, China
关键词:
红树植物 白骨壤 叶片 解剖结构
Keywords:
mangrove plant Avicennia marina leaf anatomical structure
分类号:
-
DOI:
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文献标识码:
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摘要:
运用石蜡切片的方法对红树植物白骨壤的叶片进行解剖学的观察和研究。结果表明:白骨壤的叶为异面叶;上表皮为复表皮,有厚的角质膜及下皮层;下表皮上有大量的泌盐腺毛;栅栏组织多层,约占叶肉组织的2/3,海绵组织退化;机械组织和输导组织均很发达。反映了白骨壤叶片的结构与其生活的海生环境高度相适应。
Abstract:
The leaf of Avicennia marina was anatomized by paraffin method to observe its structures. The results showed that the leaf of A.marina is bifacial leaf. It has multiple upper epidermis with thick horny membranes and hypodermis. There are many saltsecreting glandular hairs on the lower epidermis,and many layers of palisade tissues which account for about 2/3 in the mesophyll tissues. The spongy tissues are degraded. Both conducting tissues and spongy tissues are highly developed. These results indicated that the leaf of A.marina is greatly adapted to the salty habitats around the sea.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2010-04-29