poinsettia vs Euphorbia pulcherrima

poinsettia and Euphorbia pulcherrima both are nouns.

Word	Noun	Adjective	Verb	Adverb
poinsettia	Yes	No	No	No
Euphorbia pulcherrima	Yes	No	No	No

As nouns, poinsettia and Euphorbia pulcherrima are synonyms defined as:

poinsettia and Euphorbia pulcherrima: tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers

Other synonyms of poinsettia include Christmas flower, Christmas star, lobster plant, Mexican flameleaf, painted leaf.

poinsettia (noun)	Euphorbia pulcherrima (noun)
tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers	tropical American plant having poisonous milk and showy tapering usually scarlet petallike leaves surrounding small yellow flowers