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1. (Plants) a small Australian acacia tree, A. mearnsii, with yellow flowers
2. (Plants) a tall Australian shrub, Callicoma serratifolia
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|Noun||1.||black wattle - Australian tree that yields tanning materials|
genus Acacia - large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa
wattle - any of various Australasian trees yielding slender poles suitable for wattle