Synonyms for Elephant's Ear (same or very similar meaning)
WordNet sense 1 (any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries):
alocasia, elephant earWordNet sense 2 (tropical South American tree having a wide-spreading crown of bipinnate leaves and coiled ear-shaped fruits; grown for shade and ornament as well as valuable timber):
conacaste, Enterolobium cyclocarpaFrom the ODE community, based on WordNetadd/edit