For the other four leaf shapes - spathulate, denta-spathulate, cello-shaped and deltoid - more segments of Bezier curves were necessary for a good fitting.

对于三角、匙、齿匙、等四种叶来说，其误差较，这些类型叶片宜以多段曲线进行几何模拟，以准确地逼近实际叶片状。