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，一类极面观为六边，
面观近
，
三孔沟，
面纹饰为大网，网脊上
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，一类极面观为六边，面观近，三孔沟，面纹饰为大网，网脊上状刺；
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