tubiflora Regel requires research.
Canna 'tuerckheimii' is a giant species, with green leaves and red flowers.
Canna 'tuerckheimii f. Altensteinii' is a tall species, with green leaves and orange flowers.
tuerckheimii f. Gigantea requires research.
Canna 'tuerckheimii f. Marabout' is a giant species, with green leaves and unknown flowers.
tulianensis Nob. Tanaka requires research.
TURBAL is a synonym of Caballero.
TURcacha is a synonym of Chaumes.
Canna 'TURoudan' is a medium-sized Crozy Group cultivar, with green leaves and red flowers.
Tusitala requires research.
Tuti Frutti requires research.