blue pimpernel vs blue skullcap

blue pimpernel and blue skullcap both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue pimpernel	Yes	No	No	No
blue skullcap	Yes	No	No	No

As nouns, blue pimpernel and blue skullcap are synonyms defined as:

blue pimpernel and blue skullcap: an American mint that yields a resinous exudate used especially formerly as an antispasmodic

Other synonyms of blue pimpernel include mad-dog skullcap, mad-dog weed, Scutellaria lateriflora.

blue pimpernel (noun)	blue skullcap (noun)
an American mint that yields a resinous exudate used especially formerly as an antispasmodic	an American mint that yields a resinous exudate used especially formerly as an antispasmodic