Black Wattle yana nufin wani nau'in bishiyar da ke cikin halittar Acacia, musamman Acacia mearnsii. Ya fito ne daga kudu maso gabashin Ostiraliya amma an noma shi sosai a wasu sassan duniya, ciki har da Afirka ta Kudu, Brazil, da China. Ita bishiyar tana da duhu, tsatstsatsin haushi da ganyayen fuka-fukai masu kama da fern, masu launin toka-kore. Ana amfani da shi don dalilai daban-daban, ciki har da tushen katako, tannin, da itacen wuta.