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|本期目录/Table of Contents|

五种海桑属红树植物叶片的结构及其生态适应

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2010年04期
页码:
484-487
栏目:
系统演化植物学与生物地理学
出版日期:
2010-07-25

文章信息/Info

Title:
Leaf structure and its ecological adaptability in five species of Sonneratia
作者:
吴钿周畅刘敏超刘素青
广东海洋大学 农学院, 广东 湛江 524088
Author(s):
WU Tian ZHOU Chang LIU MinChao LIU SuQing
Agricultural College, Guangdong Ocean University, Zhanjiang 524088, China 
关键词:
海桑属 叶片 解剖结构 生态适应
Keywords:
Sonneratia leaf anatomical structures ecological adaptability
分类号:
-
DOI:
-
文献标识码:
A
摘要:
对海桑属五种红树植物的叶片进行解剖学的观察和研究。结果表明:海桑属红树植物的叶片上、下均有栅栏组织,栅栏组织与叶片厚的比值在0.3375~0.4349之间,属等面叶;表皮的角质膜厚1.88~7.63 μm;输导组织发达;多数种类的栅栏组织中有分泌腔,而海绵组织中有单宁异细胞分布。说明了海桑属红树植物叶片的结构具有很强的耐旱及抗腐蚀能力。
Abstract:
The anatomical leaf structures of five Sonneratia mangrove species were observed. The results showed that Sonneratia mangrove had isobilateral leaves with palisade tissue in uppermost and lowermost. The ratio of palisade tissue and the whole leaf thickness was 0.3375-0.4349. Sonneratia mangrove had juvenile leaves with the epidermal horny membranes in the thickness of 1.88-7.63 μm. The cuticular membrane on epidermis was thicken and conducting tissue was developed. There are secretory cavities in the palisade tissue and tanniniferous idioblast in the spongy tissue in the leaves of most species. The results indicated that leaf structures of Sonneratia mangrove had good drought and corrosion tolerance.

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: 2010-07-01