Harlequin is a synonym of Yellow King Humbert.
hassleriana Kraenzl. is a synonym of glauca var. glauca.
Heinrich Seidel (2) is a synonym of Roma.
heliconiifolia Bouché is a synonym of indica var. indica.
heliconiifolia var. xalapensis (Horan.) Kraenzl. is a synonym of indica var. indica.
Henry Carber is a synonym of Henri Cohn.
Henry Cohen is a synonym of Henri Cohn.
Henry Cuban is a synonym of Henri Cohn.
Henry L. de Vilmorin is a synonym of Henri de Vilmorin.
Hercule_x000D_
Canna 'Hercule'
_x000D_
see Assaut_x000D_
_x000D_
Canna 'Hercule' - see Assaut
Highwie is a synonym of Panache.
Holland Striped is a synonym of Stuttgart.
humilis Bouché is a synonym of patens (Roscoe) Tb. Tanaka.