Arum and Colocasia esculenta

Arum noun - Any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe.

Colocasia esculenta and arum are semantically related. In some cases you can replace phrase "Colocasia esculenta" with "Arum", this terms are similar.

Colocasia esculenta noun - Herb of the Pacific islands grown throughout the tropics for its edible root and in temperate areas as an ornamental for its large glossy leaves.

Arum and Colocasia esculenta are semantically related. You can use "Arum" instead a noun phrase "Colocasia esculenta".