prickly poppy vs poppy

prickly poppy and poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
prickly poppy	Yes	No	No	No
poppy	Yes	No	No	No

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

prickly poppy: annual Old World poppy with orange-red flowers and bristly fruit
poppy: annual or biennial or perennial herbs having showy flowers

prickly poppy (noun)	poppy (noun)
annual Old World poppy with orange-red flowers and bristly fruit	annual or biennial or perennial herbs having showy flowers
any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods; chiefly of tropical America