Queensland bottle tree (Brachychiton rupestris)

A native species to Queensland, Australia, the queensland bottle tree is so named due to its bulging trunk that increases in girth as it leaves the ground and then decreases before the first branches. This creates the shape of a bottle and was noted by explorer Sir Thomas Mitchell in 1848. The native aboriginal people have historically used queensland bottle tree as a food source by consuming the roots of young trees.