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.
该属的花粉形态基本可
型，一极面观为六边形，赤道面观近圆形，具三孔沟，
面纹饰为大网，网脊上具圆锥状刺；
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.
该属的花粉形态基本可型，一极面观为六边形，赤道面观近圆形，具三孔沟，面纹饰为大网，网脊上具圆锥状刺；
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