Evaluation of Ornamental Value in Four Camellia Species Based on AHP Method

The ornamental value of four Camellia species, namely, Euryodendron excelsum, Camellia changii,Camellia amplexicaulis and Tutcheria championi, were evaluated by Analytic Hierarchy Process method. The results showed as follows: among the four influential factors of tree shape, flower, leaf and fruit, the factor that could mostly influence on people's evaluation of different plants was flower factor, following with the tree shape, leaf and fruit. By comparing of 4 species, the best tree shape ornamental plant was E. excelsum; the best leaf and flower ornamental plant was C. changii, and the best fruit ornamental plant was T. championi. The sequence of ornamental value of the four species from high to low was C. changii C. amplexicaulis E. excelsum T. championi.