Sidastrum Baker f. (Malvaceae), A Newly Recorded Genus from China

Sidastrum Baker f. (Malvaceae) is reported as a newly naturalized genus in China. Sidastrum micranthum (A. St.-Hil.) Fryxell was found in Guangdong, China for the first time. The voucher specimens are deposited in Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Hainan (ATCH).