Two new species of Crassulaceae,Sedum baiwanense Yan S.Huang&Q.Fan and S.nankunshanense Yan S.Huang&Q.Fan,from Guangdong,China,are described and illustrated here.Phylogenetic analysis based on the internal tra...Two new species of Crassulaceae,Sedum baiwanense Yan S.Huang&Q.Fan and S.nankunshanense Yan S.Huang&Q.Fan,from Guangdong,China,are described and illustrated here.Phylogenetic analysis based on the internal transcribed spacer(ITS)region of nrDNA suggests that the two new species belong to Acre Clade,and are relative to S.subtile Miq.,S.tianmushanense Y.C.Ho&F.Chai,and S.jiulungshanense Y.C.Ho with high support values(node posterior probabilities=1).With high morphologically differences,we can easily distinguish species in this monophyletic group.展开更多
基金Supported by Forest Ecosystem Monitoring Project of Baiwan Provincial Nature Reserve,Qingxin,Guangdong(QCCG2025-003)Guangdong Provincial EQI Monitoring Project(GPCGD241115FG155F)Preliminary Survey and Monitoring and Conservation of Rare and Endangered Plant Species in Qingyuan Karst Mountain Botanical Garden(HT-99982024-0030)。
文摘Two new species of Crassulaceae,Sedum baiwanense Yan S.Huang&Q.Fan and S.nankunshanense Yan S.Huang&Q.Fan,from Guangdong,China,are described and illustrated here.Phylogenetic analysis based on the internal transcribed spacer(ITS)region of nrDNA suggests that the two new species belong to Acre Clade,and are relative to S.subtile Miq.,S.tianmushanense Y.C.Ho&F.Chai,and S.jiulungshanense Y.C.Ho with high support values(node posterior probabilities=1).With high morphologically differences,we can easily distinguish species in this monophyletic group.