Why are Acacias so named?

[Beverly Erlebacher]

In article <3521DC49.54D1 at student.murdoch.edu.au>,
Tim  <t.abidin at student.murdoch.edu.au> wrote:
>Can anybody tell me why Acacias are so named or where I can find
>information about this?
>Thanks

Try a dictionary:

a-ca-cia n. 1. Any of various chiefly tropical trees of the genus Acacia,  
  having compound leaves and tight clusters of small yellow or white 
  flowers. 2. Gum arabic.[Lat. <Gk. akakia]