Vachellia karroo, commonly known as the Sweet thorn, is a species of acacia, native to southern Africa from southern Angola east to Mozambique, and south to South Africa. It is a shrub or small to medium-sized tree which grows to height of 12m. It is difficult to tell apart from Vachellia nilotica subsp. adstringens without examining the seed pods. It is not listed as being a threatened species. The Botanical Society of South Africa has accepted a name change to Vachellia karroo. Common names in various languages include Acacia, Common acacia, Karoo thorn, Doringboom, Soetdoring, Cape gum, Cassie, Piquants blancs, Cassie piquants blancs, Cockspur thorn, Deo-babool, Doorn boom, Kaludai, Kikar, Mormati, Pahari Kikar, umuNga and Udai vel., commonly known as the Sweet thorn, is a species of acacia, native to southern Africa from southern Angola east to Mozambique, and south to South Africa. It is a shrub or small to medium-sized tree which grows to height of 12m. It is difficult to tell apart from Vachellia nilotica subsp. adstringens without examining the seed pods. It is not listed as being a threatened species. The Botanical Society of South Africa has accepted a name change to Vachellia karroo. Common names in various languages include Acacia, Common acacia, Karoo thorn, Doringboom, Soetdoring, Cape gum, Cassie, Piquants blancs, Cassie piquants blancs, Cockspur thorn, Deo-babool, Doorn boom, Kaludai, Kikar, Mormati, Pahari Kikar, umuNga and Udai vel.