Louisa is a synonym of CabbaSun™ Louisa.
Louise Cayeaux is a synonym of Louis Cayeux.
Louise Cotton is a synonym of Louis Cottin.
Louisiana canna is a synonym of glauca var. glauca.
lumbautum is a synonym of indica f. Tamaulipas.
lutea Larrañaga is a synonym of indica var. indica.
lutea Mill. is a synonym of indica var. flava (Roscoe, Baker) Nb. Tanaka.
lutea var. aurantiaca Regel is a synonym of indica var. indica.
lutea var. genuina Kraenzl. is a synonym of indica var. indica.
lutea var. maculata (Hook.) Petersen is a synonym of indica var. maculata (Hook) Nb. Tanaka.
lutea var. pallida Kraenzl. is a synonym of indica var. indica.
macrophylla Hort. ex Horan. is a synonym of tuerckheimii Kraenzl..
maculata (Hook) Link. is a synonym of indica var. indica.
Madame Paul Caseneuve is a synonym of Madame Paul Cazeneuve.
malaweiensis variegata is a synonym of Bengal Tiger.
Malaweinses is a synonym of Bengal Tiger.
malawiensis variegata is a synonym of Bengal Tiger.
Marquise de Poilly is a synonym of Baronne de Pouilly.
maxima Lodd. ex Roscoe is a synonym of indica var. indica.
Melanie is a synonym of Centenaire de Rozain-Bourcharlat.