Oxalis tuberosa vs wood sorrel

Oxalis tuberosa and wood sorrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oxalis tuberosa	Yes	No	No	No
wood sorrel	Yes	No	No	No

As nouns, wood sorrel is a hypernym of Oxalis tuberosa; that is, wood sorrel is a word with a broader meaning than Oxalis tuberosa:

Oxalis tuberosa: South American wood sorrel cultivated for its edible tubers
wood sorrel: any plant or flower of the genus Oxalis

Other hypernyms of Oxalis tuberosa include oxalis, sorrel.

Oxalis tuberosa (noun)	wood sorrel (noun)
South American wood sorrel cultivated for its edible tubers	any plant or flower of the genus Oxalis