Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China
Wang, YD (王永栋); Guignard, G; Thevenard, F; Dilcher, D; Barale, G; Mosbrugger, V; Yang, XJ (杨小菊); Mei, SW (梅盛吴)
2005-04-01
发表期刊AMERICAN JOURNAL OF BOTANY
ISSN0002-9122
卷号92期号:4页码:709-721
摘要

Sphenobaiera huangii (Sze) Hsu is typical Early Mesozoic fossil foliage of Ginkgoales in China. It has been recorded from the Upper Triassic to the Lower Jurassic. The cuticular anatomy is investigated based on material from the type locality, Lower Jurassic Hsiangchi Formation, Zigui County, Hubei Province. The specimens are similar to S. huangii, but contain new information about leaf morphology and Cuticular anatomy. Lower and upper cuticle is investigated using light and electron microscopy (LM, SEM, and TEM). Many features are described for the first time, including general structures of lower and upper cuticle, stomata, papillae, and cuticular ultrastructure. At the ultrastructural level, two layers have been distinguished in both lower and upper cuticle, including a homogeneous outer layer with granules and a heterogeneous inner layer with fibrils. Based on a literature comparison between S. huangii and other relevant species of Sphenobaiera, S. huangii may represent the best-known taxon in the genus Sphenobaiera in both leaf morphology and cuticular structures. This study provides the first detailed ultrastructural data on the leaf Cuticle of Sphenobaiera. one of the oldest foliage taxa of Ginkgoales, and offers further evidence for potential discussion on the taxonomic relationships of S. huangii with other ginkgoalean taxa.

关键词China Fossil Ginkgoales Jurassic Leaf Cuticle Sphenobaiera Huangii Ultrastructure
语种英语
关键词[WOS]Fossil Plant Cuticles ; In-situ Spores ; Fertile Organs ; Yima Formation ; Ultrastructure ; Argentina ; Conifer ; Leaves ; Henan ; Fern
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000228126800016
出版者BOTANICAL SOC AMER INC
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/659
专题中国科学院南京地质古生物研究所
其他
通讯作者Wang, YD (王永栋)
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Beijing 100864, Peoples R China
2.Univ Lyon 1, CNRS, FRE 2158, F-69622 Villeurbanne, France
3.Univ Florida, Florida Museum Nat Hist, Gainesville, FL 32611 USA
4.Univ Tubingen, Inst Geosci, D-72076 Tubingen, Germany
推荐引用方式
GB/T 7714
Wang, YD ,Guignard, G,Thevenard, F,et al. Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China[J]. AMERICAN JOURNAL OF BOTANY,2005,92(4):709-721.
APA Wang, YD .,Guignard, G.,Thevenard, F.,Dilcher, D.,Barale, G.,...&Mei, SW .(2005).Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China.AMERICAN JOURNAL OF BOTANY,92(4),709-721.
MLA Wang, YD ,et al."Cuticular anatomy of Sphenobaiera huangii (Ginkgoales) from the Lower Jurassic of Hubei, China".AMERICAN JOURNAL OF BOTANY 92.4(2005):709-721.
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