Capillipes - type ， heterogenea - type ， huitsunae - tupe and christinae - type a key to them was provided the 4 pollen types of lysimachia in anhui have been a ~ anged in the evolutionary sequence ， of which the capillipes - type ， possessing small pollen grains ， with verrucous - foveolate ， imperforate ， only 在此基础上，综合各种形态数据资料，进行了分支分类学研究，讨论了属内物种之间可能的系统亲缘关系和演化趋势。
2.
They are globose , subglobose , oblate and prolate in shape . the germination apertures are absent , or present and are irregularly poroid , 3 - colpate , 4 - colpate , 3 - 4 - colpate , pantocolpate and 3 - colporate . the exine ornamentation is spinulose , tuberculate , variously striate , striate - foveolate , striate - reticulate , rugose - sinuate , minutely reticulate and reticulate 条纹网状、皱波状、细网状和网状c沟膜近光滑、具小颗粒、具小刺状突起或具瘤状突起。
