The micro-morphological characteristics of Cyrtomium Presl (Dryopteridaceae) from Shandong, China and their taxonomic significance
文献类型： 外文期刊
作者： Li, Xiao-Juan 1 ; Zhang, Xian-Chun 2 ; Li, Hong 3 ; Li, Jian-Xiu 4 ;
作者机构： 1.Shandong Xiandai Univ, Jinan, Peoples R China
2.Chinese Acad Sci, Inst Bot, Beijing, Peoples R China
3.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou, Peoples R China
4.Shandong Univ Tradit Chinese Med, Jinan, Peoples R China
关键词： ferns; indusia; pinna epidermis; SEM; spore morphology
期刊名称：NORDIC JOURNAL OF BOTANY （ 影响因子：0.931； 五年影响因子：0.903 ）
ISSN： 0107-055X
年卷期：
页码：
收录情况： SCI
摘要： The fern genus Cyrtomium is generally recognized as a genus difficult to identify taxonomically. Here, the micro-morphological characteristics of nine species and one cultivar of Cyrtomium from Shandong Province of China were studied using scanning electron microscopy (SEM): C. confertiserratum, C. falcatum, C. fortunei, C. polypterum, C. reflexosquamatum, C. semifertile, C. shandongensis, C. tukusicola, C. yamamotoi and C. yamamotoi var. intermedium. The morphology of the pinna margin, upper and lower epidermis, indusia, shape of pinnae, sori distribution and spore morphology were carefully examined and photographed under SEM. The results showed that the micro-morphological characteristics of the pinna margin, upper and lower epidermis, indusia and spore morphology were stable within species and show significant differences between interspecies. The results provide not only important scientific evidence for the micro-morphological classification and identification of Cyrtomium, but also an important scientific basis for the development and utilization of this genus for medicine use and the protection of germplasm resources.
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