Macleaya cordata vs bocconia

Macleaya cordata and bocconia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Macleaya cordata	Yes	No	No	No
bocconia	Yes	No	No	No

As nouns, Macleaya cordata and bocconia are synonyms defined as:

Macleaya cordata and bocconia: herb of China and Japan widely cultivated for its plumelike panicles of creamy white flowers

Other synonyms of Macleaya cordata include plume poppy.

Macleaya cordata (noun)	bocconia (noun)
herb of China and Japan widely cultivated for its plumelike panicles of creamy white flowers	small Central American tree having loose racemes of purple-tinted green flowers
	herb of China and Japan widely cultivated for its plumelike panicles of creamy white flowers