lobster plant vs poinsettia

lobster plant and poinsettia both are nouns.

Word	Noun	Adjective	Verb	Adverb
lobster plant	Yes	No	No	No
poinsettia	Yes	No	No	No

As nouns, lobster plant and poinsettia are synonyms defined as:

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

lobster plant (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