Abstract
To reveal the resource and reproduction patterns of Epimedium sagittatum,the effects of clone fragment density on clonal morphological characteristics were investigated during three periods of sexual reproduction with regression and nonparametric test.The results indicated that significant effects of clonal fragment density on clonal morphological parameters.Based on the results of regression,the intensity of density dependence effect was enhanced,and more resources were allocated to sexual reproduction with the density of clone fragments increased.The results of nonparametric test revealed that the leaf number and leaf breadth of clone were gradually increased to gain more resource to enhance the reproduction capacity.
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