
either of two species of large trees (Hura crepitans and H. polyandra) in the spurge family (Euphorbiaceae). They are among the largest trees of ...
Found on
http://www.britannica.com/eb/a-z/s/24

The Sandbox tree is an American tree of the genus Hura. It is a large branching tree with glossy leaves and large, furrowed, round fruits about the size of an orange. When the seed-vessels bursts they make a remarkably loud retort.
Found on
http://www.probertencyclopaedia.com/browse/BS.HTM
No exact match found.