Phytolacca dioica vs pokeweed

Phytolacca dioica and pokeweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phytolacca dioica	Yes	No	No	No
pokeweed	Yes	No	No	No

As nouns, pokeweed is a hypernym of Phytolacca dioica; that is, pokeweed is a word with a broader meaning than Phytolacca dioica:

Phytolacca dioica: fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves
pokeweed: perennial of the genus Phytolacca

Phytolacca dioica (noun)	pokeweed (noun)
fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves	perennial of the genus Phytolacca