speciosa to be a synonym of C. indica L., however, Tanaka's DNA assays demonstrate that the C. indica complex can be clearly distinguished from other taxa, as a result he recognises this as a separate species.
Canna | Lagerstroemia speciosa | Canna (plant) | Nobutoshi Canna | Tecomanthe speciosa | Sinningia speciosa | Banksia speciosa | Attalea speciosa | Erythrina speciosa | Canna, Scotland | canna (plant) | ''Canna discolor'' var. ''discolor'' (Lindl.) Nb.Tanaka | Canna compacta | canna |