The branchlets are smooth, the old branches are thick, with large leaf traces and lenticels. The leaves are large and opposite, light green, shiny, and the edges are blunt serrated. The flower ball is huge, terminal, corymbose, globose, with a total stem. It opens in cyan and white, gradually turns pink, and then turns purplish red. The flower color is beautiful. The flowering period is from June to July, and each cluster of flowers can bloom for two months, with a long flowering period.
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