The quantitative evaluation of ornamental value on wild herbage flowers.

For quantitativly evaluating the ornamental value of wild herbage flowers,a convenient application scoring systems on the wild herbage flowers was suggested by analyzing the leaves,flowers,fruits and shapes characters,and each character was gave 30 quantitative score,totally 120 score.With the scoring systems,ornamental characteristics of 18 wild herbage flowers were evaluated quantitatively.It was found that the variable score range from 21.5 to 65,in which the variable range of seven herbages for foliage-ornamental were 21.5～61,seven herbages for flower-ornamental were 38～65,and four herbages for fruit-ornamental were 30～55.According to the quantitative score,the highest ornamental value of the herbages for foliage-ornamental,flower-ornamental and fruit-ornamental are Rhaphidophora decursiva,Dalphimun omeiense and Thladiantha nudiflora respectively;and the the lowest ornamental value are Adiantum caudatum,Phragmites australis and Setaria viridis respectively.The herbage flowers with higher ornamental value could be selected by the method for introduction and domestication,then applied in landscape gardens.