Anisotoma is a genus of flowering plants formerly belonging to the plant family Asclepiadaceae, now considered to be part of the Apocynaceae, first described as a genus in 1844. They are native to South Africa
Anisotoma arnottii <small>(Baker) Benth. & Hook.f. ex B.D.Jacks.</small> synonym of Brachystelma arnottii <small>Baker</small>