Acacia species ?

Acacia species ?;
 
 
 

 
https://08511630493324166816.googlegroups.com/attach/391fe029ca91bca1/DSC02488.JPG?part=0.1&view=1&vt=ANaJVrEwFDW44JyAAvEbZsG6MlqbEoJM3q6LF15DLqJy5IhQZNH92D4Jrrpxh6giMg7_kOIMhnvttOmC1c4_hLofMyyCwNTJqGae2lkO3Z2TML_XF_D_4Rk
PLEASE ID:  I AM CONFUSE ABOUT IT
Look like Acacia species (may be Acacia suma)
... if found planted, one of the possibility is *Leucaena leucocephala* ...
Pl. validate the id of Acacia mellifera? 
Location: NBNP Garden,
Date: August, 2011
Habitat: Garden
Habit: Tree
Leaves shape and their arrangement do not support the ID. Can you send close ups of leaves or recheck the characters