acacia
 

acacia


Any of the approximately 800 species of trees and shrubs that make up the genus Acacia, of the mimosa family, native to tropical and subtropical regions of the world, particularly Australia and Africa. Sweet acacia (A. farnesiana) is native to the SW U.S. Acacias have distinctive, finely divided leaflets, and their leafstalks may bear thorns or sharp spines at their base . Their small, often fragrant , yellow or white flowers have many stamens apiece, giving each a fuzzy appearance . On the plains of S and E Africa, acacias are well-known landmarks. Several species are important economically, yielding substances such as gum arabic and tannin, as well as valuable timber.

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