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Leaf anatomical structures of Paphiopedilum and Cypripedium and their adaptive significance
Guan, Zhi-Jie1,2; Zhang, Shi-Bao3; Guan, Kai-Yun1; Li, Shu-Yun1; Hu, Hong1
Corresponding AuthorHu, H (reprint author), Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2011-03-01
Source PublicationJOURNAL OF PLANT RESEARCH
ISSN0918-9440
Volume124Issue:2Pages:289-298
AbstractPaphiopedilum and Cypripedium are closely related in phylogeny, but have contrasting leaf traits and habitats. To understand the divergence in leaf traits of Paphiopedilum and Cypripedium and their adaptive significance, we analyzed the leaf anatomical structures, leaf dry mass per area (LMA), leaf lifespan (LL), leaf nitrogen concentration (N(mass)), leaf phosphorus concentration (P(mass)), mass-based light-saturated photosynthetic rate (A(mass)), water use efficiency (WUE), photosynthetic nitrogen use efficiency (PNUE) and leaf construction cost (CC) for six species. Compared with Cypripedium, Paphiopedilum was characterized by drought tolerance derived from its leaf anatomical structures, including fleshy leaves, thick surface cuticles, huge adaxial epidermis cells, lower total stoma area, and sunken stomata. The special leaf structures of Paphiopedilum were accompanied by longer LL; higher LMA, WUE, and CC; and lower N(mass), P(mass), A(mass), and PNUE compared with Cypripedium. Leaf traits in Paphiopedilum helped it adapt to arid and nutrient-poor karst habitats. However, the leaf traits of Cypripedium reflect adaptations to an environment characterized by rich soil, abundant soil water, and significant seasonal fluctuations in temperature and precipitation. The present results contribute to our understanding of the divergent adaptation of leaf traits in slipper orchids, which is beneficial for the conservation of endangered orchids.
KeywordCypripedium Leaf Anatomical Structure Leaf Trait Paphiopedilum Stomata
Subject AreaPlant Sciences
DOI10.1007/s10265-010-0372-z
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000289859200009
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/5241
Collection资源植物与生物技术所级重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Kunming 650223, Peoples R China
Recommended Citation
GB/T 7714
Guan, Zhi-Jie,Zhang, Shi-Bao,Guan, Kai-Yun,et al. Leaf anatomical structures of Paphiopedilum and Cypripedium and their adaptive significance[J]. JOURNAL OF PLANT RESEARCH,2011,124(2):289-298.
APA Guan, Zhi-Jie,Zhang, Shi-Bao,Guan, Kai-Yun,Li, Shu-Yun,&Hu, Hong.(2011).Leaf anatomical structures of Paphiopedilum and Cypripedium and their adaptive significance.JOURNAL OF PLANT RESEARCH,124(2),289-298.
MLA Guan, Zhi-Jie,et al."Leaf anatomical structures of Paphiopedilum and Cypripedium and their adaptive significance".JOURNAL OF PLANT RESEARCH 124.2(2011):289-298.
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