Primulina silaniae X.X.Bai & F.Wen, sp. nov. A, B habitat C front view of flower D, E oblique side view of flowers F plant G adaxial (left two) and abaxial (right two) surfaces of leaves H corolla I partial, enlarged leaf J partial, enlarged corolla tube K stamen L coherent anthers M dissected calyx lobes N lower distal part of corolla O pistil, pedicel and calyx with sepals removed P, Q dehisced and immature fruits. Photographs by Xin-Xiang Bai.