Aspects of this topic are discussed in the following places at Britannica.
A few acacias produce valuable timber, among them the Australian blackwood (A. melanoxylon); the yarran (A. homalophylla), also of Australia; and A. koa of Hawaii. Sweet acacia (A. farnesiana) is native to the southwestern United States. Many of the Australian species have been widely introduced elsewhere as cultivated small trees valued for their spectacular floral...
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