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[Objectives] This study was conducted to enrich the plant resource of ornamental vegetables in Kunming. [Methods] 15 leafy vegetables were selected as test materials in this study. This study investigated the biological characteristics of the 15 ornamental vegetables by introduction trial and grey correlation analysis. In addition, we discussed the application of ornamental vegetables in urban agriculture. [ Results ] The grey correlation values of 11 ornamental vegetables were greater than 0.6. The grey correlation values of other four ornamental vegetables were less than 0.5. Among them, the grey correlation of Beta vulgaris L. var. cicla L. was 0.94, which have the highest appreciation evaluation. The second appreciation evaluation belonged to rainbow leafy Beta vulgaris L. var. cicla L. with grey correlation of 0. 88. [Conclusions] In short, there are nine ornamental vegetables could be applied in the urban agriculture of Kunming, and there are six ornamental vegetables must be further investigated by cultivation experiment, to understand their cultivation characteristics and key points of management. [ABSTRACT FROM AUTHOR]