Cassava and Tapioca plant

Cassava noun - Any of several plants of the genus Manihot having fleshy roots yielding a nutritious starch.

Tapioca plant and cassava are semantically related. In some cases you can replace phrase "Tapioca plant" with "Cassava", this terms are similar.

Tapioca plant noun - Cassava with long tuberous edible roots and soft brittle stems; used especially to make cassiri (an intoxicating drink) and tapioca.

Cassava and tapioca plant are semantically related. You can use "Cassava" instead a noun phrase "Tapioca plant".