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Gene resources and development prospects of plants in Paris were evaluated. Applied researches in genetic diversity of plant in Paris were carried out based on SCOT markers. Genomic DNA polymorphic analysis in total forty individuls of nine species in Paris were performed by the approach of start codon targeted polymorphism(SCOT). The genetic diversity of the nine species in Paris was high in Sichuan Province. Clustering analysis could be used to study the classification of Paris,which indicated that forty individuls were clustered 4 classes. P. polyphylla var. stenophylla was clustered alonely. P. fargesii,P. delavayi var. petiolata,P. delavayi var. delavayi,P. polyphylla var. yunnaensis were clustered. P. thibetica and P. polyphylla var. chinesis were clustered. P. axiparis var. axialis and P. mairei were clustered. In conclusion,plant in Paris was identified accuracily in molecular by SCOT markers and molecular evidences were provided on the taxonomic status of species and interspecific. It is helpful to further study on gene mapping of P. [ABSTRACT FROM AUTHOR]