Phytoferritin in plastids of the style of Olea europaea L.

The presence is reported of phytoferritin inside the plastids of the cells surrounding the stylar transmitting tissue and vascular bundles of Olea europaea L. cv. Correggiolo. The phytoferritin particles show a crystalline arrangement, often forming finger-print like patterns. These aggregates of phytoferritin could be associated with yellowing and senescence of the style; a possible relation between phytoferritin and pollen tube is also discussed.