广西植物2025，Vol.45Issue(5)：824-832,前插1-前插4,13.DOI:10.11931/guihaia.gxzw202401057
基于叶绿体基因组与形态学证据探讨银粉背蕨、假银粉背蕨和长尾粉背蕨的系统关系
Exploring the systematic relationships of Aleuritopteris argentea,A.subargentea and A.michelii based on chloroplast genomic and morphological evidence
摘要
Abstract
Aleuritopteris argentea(S.G.Gmelin)Fée,A.subargentea Ching,and A.michelii(Christ)Ching belong to the genus Aleuritopteris of Pteridaceae subfam.Cheilanthoideae.Their phylogenetic relationship has long been in controversy due to morphological similarities,resulting in different classification treatment.To solve the confusion in the classification,the phylogenetic relationships between the three species based on molecular and morphological analyses were investigated.The results were as follows:(1)Based on chloroplast genome and ribosomal DNA,A.argentea and A.subargentea were two distinct species;samples of A.michelii were not clustered into a monophyletic lineage,and individuals were embedded in a monophyletic lineage formed by samples of A.subargentea.(2)Statistical analysis of the morphological data showed that A.argentea and A.subargentea differed significantly in morphological traits;A.michelii and A.subargentea did not differ significantly in morphological traits.In summary,combined with the results of molecular systematics and morphology,this study supports that A.subargentea should be recognized as a distinct species and A.michelii should be treated as a synonymy of A.subargentea.关键词
银粉背蕨/假银粉背蕨/长尾粉背蕨/形态学/分子系统学/物种界定Key words
Aleuritopteris argentea/Aleuritopteris subargentea/Aleuritopteris michelii/morphology/molecular systematics/species delimitation分类
生物学引用本文复制引用
胡虹雨,杨文利,殷玥,张钢民..基于叶绿体基因组与形态学证据探讨银粉背蕨、假银粉背蕨和长尾粉背蕨的系统关系[J].广西植物,2025,45(5):824-832,前插1-前插4,13.基金项目
国家自然科学基金(31270253,31770221). （31270253,31770221）
