Harmomegathy

Harmomegathy is the process by which pollen grains in arid environments close off their apertures to avoid losing water. This folding of the pollen grain prevents water loss until it arrives in a wetter environment. Harmomegathy is the process by which pollen grains in arid environments close off their apertures to avoid losing water. This folding of the pollen grain prevents water loss until it arrives in a wetter environment.