Chelidonium majus vs poppy

Chelidonium majus and poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chelidonium majus	Yes	No	No	No
poppy	Yes	No	No	No

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

Chelidonium majus: perennial herb with branched woody stock and bright yellow flowers
poppy: annual or biennial or perennial herbs having showy flowers

Chelidonium majus (noun)	poppy (noun)
perennial herb with branched woody stock and bright yellow flowers	annual or biennial or perennial herbs having showy flowers