Why these water-holding trees are good choices for dry-climate gardens

I have always had an affection for kurrajong trees. This could be on account of their suberized trunks, distinctive foliage, bell-shaped flowers with scalloped edges, or tightly arranged seeds, ensconced in woody follicles, which look like they belong on an ear of corn. 

Kurrajong is the Aboriginal word for fishing line which may be produced from the fibers of its trunk. The botanical genus name given to these trees is Brachychiton, a combination of Greek words meaning short (brachys) and tunic (chiton)...