Cross pollination; what is cross pollination

– cross pollination is the transfer of pollen grain from the anther of a plant to the receptive stigma of another plant
– occurs in angiosperm/flowering plants
– it’s a means of ensuring hybridization
– different device have been employed to ensure this
– brightly coloured petals and/or sepal
– secretion of nectar
– emission of potent scent
– aggregation of flowers into heads, etc
– various incompatibility mechanism that prevent self fertilization.