Canna n. : A measure of length in Italy, varying from six to seven feet. See Cane, 4.

Canna n. : A genus of tropical plants, with large leaves and often with showy flowers. The Indian shot (C. Indica) is found in gardens of the northern United States.

Example:
Can you grow Canna root plants indoors in a container in Michigan/Zone 5?

Taxonomy
Canna, plant, species, cultivars, seed, rhizomes, starch, Genus Canna, family Cannaceae, the leaves, pollen, virus, The seeds, synonyms, Micropropagation, Canna compacta, unranked, garden plant.

Defination from the web:
Canna is the only genus in the family Cannaceae. Such a family has almost universally been recognized by taxonomists. The APG II system of 2003 (unchanged from the APG system, 1998) also recognizes the family, and assigns it to the order Zingiberales in the clade commelinids, in the monocots. ...