Primula chishuiensis (Primulaceae), a new species from Guizhou, China

Primula chishuiensis C.M. Hu, G. Hao & Y. Xu sp. nov. (Primulaceae) is described and illustrated from Guizhou, China. It is morphologically belonging to P. sect. Monocarpicae and allied to P. centellifolia and P. scopulicola , but can be distinguished by its homostylous flowers and broadly campanulate calyx which split to 3/4 of its length, and the broadly lanceolate lobes.