Lilian Cole requires research.
Canna 'liliiflora Warsc. ex Planch.' is a giant cultivar, with green leaves and white flowers.
Canna 'Lillian Cole' is a medium-sized Crozy Group cultivar, with green leaves and pink flowers.
Lily Canna is a synonym of liliiflora Warsc. ex Planch..
Limbata major requires research.
limbata Roscoe is a synonym of patens (Roscoe) Tb. Tanaka.
Lime Wash requires research.
Canna 'Lincroft' is a medium-sized Crozy Group cultivar, with green leaves and yellow flowers.
Lindleyana requires research.
Canna 'lineata' is a medium-sized cultivar, with green leaves and red flowers.
linkii Bouché is a synonym of paniculata.
Linnée requires research.
Canna 'Lippo' is a medium-sized Italian Group cultivar, with green leaves and red flowers.
Lippo's Kiwi is a synonym of Lippo.
Lipstick Pink requires research.
Canna 'Little Billee' is a small Crozy Group cultivar, with green leaves and multi-coloured flowers.
Little Dragon is a synonym of patens (Roscoe) Tb. Tanaka.
Little Gem requires research.
liturata Link ex A.Dietr. is a synonym of glauca var. glauca.