Lohengrin, Tosca, Resi and WALBERTON'SŪ Rose Moon (8" flowers) are all H. Syriacus x H paramutabilis hybrids. White Angel is H. rosa-sinensis (Chinese Hibiscus and tropical) (female) X Diane.
Anyone using these plants in hybridizing?
Wilberton's Rose Moon pictured here.
Althea, H. Syriacus Cross-species Hybrids