Summary[
edit] Description: The swellings are domatia housing myrmecophile ants which protect the tree. An eastern Africa species, also known as Swollen Thorn and placed in the Vachellia genus by some. Photo from Songea region, Tanzania. Date: 4 March 2016, 19:38. Source:
Acacia drepanolobium-- Whistling Thorn. Author:
Dick Culbert from Gibsons, B.C., Canada.