Bundle sheath cells around vascular bundle in the fertile anther were big and formula and few calcium ppts, whereas, that in the sterile anther were small and anomaly and containing many calcium ppts.

• 可育花药维管束鞘细胞体积大且形状规则，细胞内的钙颗粒很少，而不育花药维管束鞘细胞体积小且形状不规则，细胞内的钙颗粒较多。