New Taxa of Chinese Aristolochia L.

Four new species of the genus Aristolochia (Aristolochiaceae) are described as new from China. They are Aristolochia austrochinensis C. Y. Cheng & J. S. Ma, A. caulialata C. Y. Wu, A. salweenensis C. Y. Cheng & J. S. Ma, and A. kunmingensis C. Y. Cheng &J. S. Ma. A naturalized species, A. ringens Vahl is also reported.     

越南赤车属(荨麻科)二新记录

报道越南赤车属(荨麻科)二新记录种,即翅茎赤车(Pellionia caulialata S．Y．Liou)和光果赤车(P ．leio-carpa W．T．Wang),并提供描述.它们原记载分布于中国,现在越南北部发现有分布,凭证标本保存在PE.