Pollen of Primrose flower

Pollen of Primrose flower

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Caption: Primrose pollen. Coloured Scanning Electron Micrograph (SEM) of a cluster of primrose (Primula sp.) pollen grains. The pollen shows the round, sculpted protein coat characteristic of primroses. Pollen is produced by the male sex organs in primrose flowers and dispersed by insects to the female sex organs where the eggs are fertilised. Primrose flowers have evolved into two different types that tend only to cross- pollinate each other. This reduces the chance of a flower pollinating itself, which produces less viable seeds. Magnification x580 at 6x7 cm size.

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Keywords: botany, nature, plant, plants, pollen, primrose, primula, reproduction, reproductive, type

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