Misorthography. From John manning: Gladiolus jonquilodorus was published first, however according to the Rules of Nomenclature, later grammatical "corrections" to G. jonquilliodorus are not accepted. G. jonquilodorus therefore maintains priority in line with POWO: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:437550-1