Baobab: the common name of a genus (Adansonia) containing eight species of trees, native to Madagascar, mainland Africa and Australia. Also known as the Bottle Tree, the trees typically store around 300 liters of water and often live over 500 years.
A Quiver Tree in Spitzkoppe, Namibia. Because bushmen use it's branches to make quivers, the aloe dichotoma, or kokerboom, is known as the quiver tree. It is a species of aloe indigenous to Southern Africa and parts of Southern Namibia.
Papaya trees, Hawaii - When we lived in Kona, these grew in our yard as well as in our neighbors' yards. The sweetest variety is the strawberry papaya. reddish instead of yellow inside. I so want this growing in my yard!