Answer: babul

AnswerCrossword Clue
BABULGum-yielding tree.
BABULAcacia tree
babulan acacia tree (Acacia nilotica syn. A. arabica) widespread in India and northern Africa that yields gum arabic and tannins as well as fodder and timber
babulany of several leguminous trees of the genus Acacia that yield a gum, esp. A. nilotica, of tropical Africa
babulthe gum, pods, or bark of such a tree