Papaver rhoeas vs poppy

Papaver rhoeas and poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
Papaver rhoeas	Yes	No	No	No
poppy	Yes	No	No	No

As nouns, poppy is a hypernym of Papaver rhoeas; that is, poppy is a word with a broader meaning than Papaver rhoeas:

Papaver rhoeas: annual European poppy common in grain fields and often cultivated
poppy: annual or biennial or perennial herbs having showy flowers

Papaver rhoeas (noun)	poppy (noun)
annual European poppy common in grain fields and often cultivated	annual or biennial or perennial herbs having showy flowers