cotyledons unequal, 1 large, starchy, retained in fruit, 1 small, scalelike, germinating from fruit apex, through pore of stylar canal;

• 子叶不均匀的，1个大，粉状的，保留在果里面，一个小，鳞片状从果实顶部发芽，横穿花柱道孔；