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Pollination shift in Neotropical Malpighiaceae

Pollination shift in Neotropical Malpighiaceae
Pollination shift in Neotropical Malpighiaceae

Flowers of Neotropical Malpighiaceae have a specialized pollination system in which floral oils instead of nectar are offered to attract oil-collecting bees. Cappellari et al. examine facultative loss of oil production by non-oil-secreting (eglandular) flowers in relation to pollination by bumblebees in populations of Pterandra pyroidea from the Brazilian Cerrado. They find that eglandular flowers represent a shift in the pollination system in which oil is being lost and pollen is becoming the main reward. This species thus exhibits an unusual transition from a specialized towards a generalized pollination system.

Written by Annals of Botany Office

The Annals of Botany Office is based at the University of Oxford.

CO2 effects on reproduction versus vegetative growth

CO2 effects on reproduction versus vegetative growth

Is the moss calyptra covered by a cuticle?

Is the moss calyptra covered by a cuticle?