Are Arbutus and Castanospermum both native to Australia?
Arbutus Arbutus is a genus of 11 accepted species of flowering plants in the family Ericaceae, native to warm temperate regions of the Mediterranean, western Europe, the Canary Islands (Teneriffa) and North America. The name "Arbutus" was taken from Latin, where it referred to "A. unedo".
Polyscias sambucifolia Polyscias sambucifolia, commonly known as elderberry panax, is a species of plant native to eastern Australia.