关键词: 蔷薇属, 花发育, 花器官, 花期, 花型, 花香, 分子育种, 转录组

Abstract: Recurrent blooming，double flower，petal color and fragrance，are important traits of ornamental plants including roses. Recent research progress of molecular mechanisms for rose genetics and development was commented according to the results of genetic mapping，gene cloning and transcriptome researches，with the traits as the main clue. It would provide reference to the molecular research on economic characters and the molecular breeding in ornamental plants.

Key words: Rosa, floral development, flower organ, flowering time, flower type, flower fragrance, molecular breeding, transcriptome