Some large vacuoles appeared in the tapetal cells of the sterile anthers at the early uninucleate pollen stage.

在单核胞早期，不育花粉四胞中有较明液泡出现。

Abbreviation: T: Tapetal; N: Nucleus; TE：Tetrad; TW: Wall of tapetal cell; V: V acuole; D: Dictyosome; C: Callose; M: Mitochondria.

绒毡层胞，N：胞核，TE:四，TW：绒毡层胞壁，V：液胞,D：高尔基，C：胼胝质壁，M：线粒。