Christmas flower vs Christmas star

Christmas flower and Christmas star both are nouns.

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

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

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

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

Christmas flower (noun)	Christmas star (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