Built like buildings, boab trees are life-savers with a chequered past A boab tree in the Kimberley. Boab trees can live for thousands of years and their trunks hollow out as they get older. Shutterstock Gregory Moore, University of Melbourne Sign up to the Beating Around the Bush newsletter here, and suggest a plant we … Continue reading Built like buildings, boab trees are life-savers with a chequered past