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This paper presents a biologically-motivated system of seasonal variant scene generation for maples, which have an obvious leaf color transformation. Given climate data and knowledge of the environmental influence to maples, our system is able to simulate this seasonal leaf color transformation process. Our system consists of three steps: environment configuration, climate influence simulation, and leaf texture acquisition. The first step decides the general color change timing of the maple tree based on its local environment. Then we make further adjustments to the timing determined in the last step taking into account the influence of climate in the specific case. In the last step, the texture maps of leaves are generated based on the pigment information. Our system is also able to simulate the seasonal color variation of other trees by adjusting related parameters.