Christmas flower vs poinsettia

Christmas flower and poinsettia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christmas flower	Yes	No	No	No
poinsettia	Yes	No	No	No

As nouns, Christmas flower and poinsettia are synonyms defined as:

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

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

Christmas flower (noun)	poinsettia (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