The architecture of rice plant was divided into N+3 structure units according to the total leaf number (N) , involving internode and leaf (or panicle), and was analyzed using L-system.

• 摘要以节间及其着生叶或穗为单位，将水稻植株分解成N+3个结构单元（N为植株总叶龄），采用L系统技术描述了水稻植株拓扑结构。