Trichocyclus simplex N.E.Br. ex C.A.Maass in Z. Sukkulentenk. 3: 322. 1928 Trichocyclus simplex N.E.Br. ex C.A.Maass in Z. Sukkulentenk. 3: 322. 1928is basionym for Brownanthus simplex (N.E.Br. ex C.A.Maass) Bullock in Bull. Misc. Inform. Kew 1937: 494. 1937Taxon for this nameTrichocyclus simplex N.E.Br. ex C.A.Maass