苏铁雄球果的结构与花粉的风传播相当一致，花粉云从一些较大的球果中释放出来。

The structure of cycads male cones is quite consistent with the wind dispersal of pollen, clouds of which are released from some of the larger cones.

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唐代边塞诗人高适，在描叙居庸关路险关雄时写道：“绝坡水连下，群峰云其高。

The tang dynasty poet in the frontier GaoShi, describe the juyongguan road when XianGuan males wrote: "absolutely slope under water, even the high peaks cloud."

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