In some cases (e.g. Urtica) anthers burst to release pollen grains. The cross pollination is accomplished in this way and this is known as gun powder mechanism. It is a type of wind pollination.
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In some cases (e.g. Urtica) anthers burst to release pollen grains. The cross pollination is accomplished in this way and this is known as gun powder mechanism. It is a type of wind pollination