There are two types of the pollen morphology in this genus, one (polar view is hexagon) is nearly sphersidal in shape, there are tricolporate and netten ridge with spine on the surface.
该属的花粉
态基本可分两个类型，一类极面观
六边，赤道面观近
，
三孔沟，
面纹饰
，脊上锥状刺；
There are two types of the pollen morphology in this genus, one (polar view is hexagon) is nearly sphersidal in shape, there are tricolporate and netten ridge with spine on the surface.
该属的花粉态基本可分两个类型，一类极面观六边，赤道面观近，三孔沟，面纹饰，脊上锥状刺；
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