Alocasia vs. Colocasia — What's the Difference?

Alocasia is a genus of broad-leaved, rhizomatous, or tuberous perennial flowering plants from the family Araceae. There are 97 accepted species native to tropical and subtropical Asia and Eastern Australia.

Colocasia is a genus of flowering plants in the family Araceae, native to southeastern Asia and the Indian subcontinent. Some species are widely cultivated and naturalized in other tropical and subtropical regions.The names elephant-ear and cocoyam are also used for some other large-leaved genera in the Araceae, notably Xanthosoma and Caladium.

Any of several tropical Asian plants, of the genus Alocasia, having heart- or arrowhead-shaped leaves.

(uncommon) Taro; eddo.

Any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries.

A small genus of perennial tuberous herbs of the arum family, of tropical Asia and the Pacific islands, including the taro (Colocasia esculente).

Any plant of the genus Alocasia having large showy basal leaves and boat-shaped spathe and reddish berries

Small genus of perennial tuberous herbs of tropical Asia: taro