Primulina nana sp. nov. A habit B adaxial side of leaves C abaxial side of leaves D alabastrum E bracts and calyx F abaxial side of calyx lobes G adaxial side of calyx lobes H lateral view of a flower I ventral view of a flower J top view of a flower K front view of a flower s howing the internal structure L opened corolla M stamens and staminodes N pistil with calyx O disc and ovary P capsule. Photographs by Chi Xiong.