Elatostema robustipes W.T. Wang, F. Wen & Y.G. Wei and Pellionia tenuicuspis W.T. Wang, Y.G. Wei & F. Wen, two new species of Urticaceae from the Guangxi and Guangdong provinces (China), respectively, are described and illustrated. Elatostema robustipes most closely resembles E. balansae, and P. tenuicuspis most closely resem- bles P. incisoserrata.