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题名: Scanning electron microscopy of the leaf epidermis in Arundinarieae (Poaceae: Bambusoideae): evolutionary implications of selected micromorphological features
作者: Zhang, Yu-Xiao1, 2; Zeng, Chun-Xia2; null(李德铢)1, 2
刊名: BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
关键词: hairs ; papillae ; phylogenetic trees ; stomata ; taxonomy
英文摘要: Arundinarieae (temperate woody bamboos) is a taxonomically challenging group and the taxa in this tribe show a low level of DNA sequence variation, especially for plastid markers. As a result of the scarcity of flowering collections, species identification mainly depends on vegetative features, and leaf epidermal micromorphology has proven to be useful in bamboo taxonomy. In this study, we used scanning electron microscopy to investigate the abaxial leaf epidermal micromorphology of 94 species in 24 genera of Arundinarieae and three species of Bambuseae. Leaf epidermal characteristics differed mainly in the number and distribution pattern of papillae. Seven papilla forms were assigned, which had little taxonomic value at the generic and subtribal levels. However, the papilla patterns combined with other leaf epidermal features were useful in the discrimination of several species. Most papilla types were shared between tribes Arundinarieae and Bambuseae. We assessed the phylogenetic implications of the leaf epidermal micromorphology based on recently published molecular phylogenetic analyses. With one exception, none of the papilla types corresponded to a particular clade in the plastid or nuclear phylogenetic trees. Based on these results, the papilla patterns have limited phylogenetic value. (C) 2014 The Linnean Society of London
出版日期: 2014-09-01
卷号: 176, 期号:1, 页码:46-65
语种: 英语
收录类别: SCI
学科分类: Plant Sciences
ISSN号: 0024-4074
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18432
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Heilongtan 650201, Kunming, Peoples R China
2.Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Heilongtan 650201, Kunming, Peoples R China

Recommended Citation:
Zhang,Yu-Xiao;Zeng,Chun-Xia;Li,De-Zhu.Scanning electron microscopy of the leaf epidermis in Arundinarieae (Poaceae: Bambusoideae): evolutionary implications of selected micromorphological features,BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2014,176(1):46-65
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