Pollen morphology of 9 species and 1 variety in section Paracamellia was observed and compared by means of light microscope(LM) and scanning electron microscope(SEM). the morphology of pollen grains in this section is mostly unanimous, showing that it is a natural group; According to exine sculpture character, pollens of the section are divided into two types: foveolate reticulate, rugulate fossulate; The classification problem of C. shensiensis and C. microplhylla was also discussed.