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Image © 2005 Paul R.A. West All Rights Reserved   Pollen Overview A definition of pollen and a look at its structure. Abnormalities Hybrid pollen is often prone to deformations which can render it ineffective or sterile. Adhesion How species avoid hybridizing with other species in the wild. Aridopsis study Looks at the nature of the the bonding between the pollen and the stigma. Preserving pollen How to preserve pollen for SEM study or pollinating other flowers at a later time. Self pollination Looks at why some Passiflora self pollinate and the role of 'alien' pollen. Style/stigma movement A study of P. incarnata looking at how flower variations & style & stigma movement maximize fertility. SEM Stunning pictures of many different Passiflora hybrid and species pollen.