The microspores are arranged in a tetrahedral tetrad. The mature pollen grains are of the 2-celled and 3-celled types.
小孢子四分体为四面体型排列，成熟花粉有2 -细胞和3 -细胞型2种。
The microspores are arranged in a tetrahedral tetrad. The mature pollen grains are of the 2-celled and 3-celled types.
小孢子四分体为四面体型排列，成熟花粉有2 -细胞和3 -细胞型2种。
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