colocasia
From LSJ
Latin > English (Lewis & Short)
cŏlŏcāsĭa: ae, f. (plur.: cŏlŏcāsĭa, ōrum, n., * Verg. E. 4, 20; Mart. 8, 33, 13), = κολοκασία> or κολοκάσιον>,
I an Egyptian bean; a magnificent plant of the lily kind, growing in the lakes and marshes of Egypt, whose beans, roots, and even the stalks and stems, were considered as luxuries, and from its large leaves drinking-cups (ciboria) were made, Plin. 21, 15, 51, § 87; Col. 8, 15, 4; Pall. Febr. 24, 14; id. Apr. 3, 5; cf. Voss ad Verg. l. l. (The colocasia of Virgil is supposed to be the Arum colocasia of Linnæus. Pliny appears to confound this with the Nymphaea lotos of Linn.)>
