Dutchman's breeches vs Dicentra cucullaria

Dutchman's breeches and Dicentra cucullaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dutchman's breeches	Yes	No	No	No
Dicentra cucullaria	Yes	No	No	No

As nouns, Dutchman's breeches and Dicentra cucullaria are synonyms defined as:

Dutchman's breeches and Dicentra cucullaria: delicate spring-flowering plant of the eastern United States having white flowers with double spurs

Dutchman's breeches (noun)	Dicentra cucullaria (noun)
delicate spring-flowering plant of the eastern United States having white flowers with double spurs	delicate spring-flowering plant of the eastern United States having white flowers with double spurs