But there were several obvious characteristic differences among them, such as trichome on style and torus, cuticle and stomata on nectary, shape and surface of pollen.

• 同时发现一些有分类价值的性状差异，比如花柱花盘有无毛、蜜腺表面的角质层和气孔器形态、花粉粒形状和附属物等。