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题名: Taxonomic and ecological implications of leaf cuticular morphology in Castanopsis, Castanea, and Chrysolepis
作者: Liu, M. Q.1, 2; Deng, M.3; Zhou, Z. K.1
刊名: PLANT SYSTEMATICS AND EVOLUTION
关键词: Fagaceae ; Leaf anatomy ; Taxonomy ; Palaeobotany ; Ecology
英文摘要: Leaves of 41 species of Castanopsis, six species of Castanea, and Chrysolepis chrysophyllum Hjelmq. were examined. In Castanopsis, all species possessed cyclocytic stomata with thickened subsidiary cells; thin-walled peltate trichomes are the most frequent type on the abaxial surface of the leaves of this genus. In Castanea, stomata are transitional between cyclocytic and anomocytic; thin-walled peltate trichomes were recorded for the first time on the abaxial surface of Castanea leaves. In Chrysolepis, cyclocytic stomata with non-thickened subsidiary cells and thick-walled peltate trichomes were observed. The thickened subsidiary cells support the placement of the "fissa-group" in Castanopsis. The results of this study support the idea that Castanopsis and Castanea are sister groups. Thick-walled peltate trichomes were only recorded in Chrysolepis, thus supporting its taxonomic separation from Castanopsis. The phylogenetic distribution of trichome types among genera of Fagaceae is summarized. The evolutionary trends of trichome types in Castanopsis are discussed, as are the implications of stomatal and trichome features on fossil identification and ecology.
出版日期: 2009-11-01
卷号: 283, 期号:1-2, 页码:111-123
DOI标识: 10.1007/s00606-009-0220-6
语种: 英语
ISSN号: 0378-2697
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3104
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Shanghai Inst Technol, Sch Ecol Technol & Engn, Shanghai, Peoples R China

Recommended Citation:
Liu, MQ; Deng, M; Zhou, ZK.Taxonomic and ecological implications of leaf cuticular morphology in Castanopsis, Castanea, and Chrysolepis,PLANT SYSTEMATICS AND EVOLUTION,2009,283(1-2 ):111-123
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