The following new taxa are described: Sect. Erythrosperma: T. trottii v. Soest Sect. Erythrocarpa: T. behzudicum v. Soest; T. kabulense v. Soest; T. pseudo-dissimile f. maculatum v. Soest; T. transjordanicum v. Soest Sect. Macrocornuta: T. pseudo-wallichii v. Soest Sect. Calanthodia: T. licentii v. Soest Sect. Tibetana: T. suberiopodum v. Soest Sect. Spuria: T. roseum Bornmiiller ex H.M. f. albiflorum v. Soest