Audouinia esterhuyseniae (Powrie) A.V. Hall, comb. nov.

≡ Tittmannia esterhuyseniae Powrie in J. S. African Bot. 35: 363. 1969

– Type: near neck between Kaaimans Gat and Stettyn’s Kloof, ca. 3000 ft, Esterhuysen 32117 (BOL- 136142!, holo).