Orthocryptanthus arcanus (Leme) Leme, Zizka & Paule, comb. nov.

Basionym:— Orthophytum arcanum Leme, Phytotaxa 430: 191. 2020. Type: — BRAZIL. Minas Gerais: Conselheiro Pena, near the top of the Pico do Padre Angelo, 1441 m elevation, 19º18’59” S, 41º34’44” W, September 2015, R. Vasconcelos Leitão s.n., fl. cult. E . Leme 9093 (holotype RB!) .