Vachellia
9 species in Aust. (7 endemic, 2 naturalized); Qld, NSW, S.A., WA, NT
*Vachellia farnesiana
Multistemmed shrub to 4 m high. Leaves. Flower heads 1–3 in the axils of the leaves. Leaves bipinnate, pubescent with 1 gland between the lowest pair of pinnae and the base of the petiole. Interjugary glands absent. Pinnules 8–20 pairs. Pinnae 3–7 pairs. Legume turgid, indehiscent, black. Broke; Wondabyne. Probably introd. from trop. America. Mimosa Bush