bastard pimpernel vs suffrutex

bastard pimpernel and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
bastard pimpernel	Yes	No	No	No
suffrutex	Yes	No	No	No

As nouns, suffrutex is a hypernym of bastard pimpernel; that is, suffrutex is a word with a broader meaning than bastard pimpernel:

Other hypernyms of bastard pimpernel include subshrub.

bastard pimpernel (noun)	suffrutex (noun)
weedy plant having short dry chafflike leaves	low-growing woody shrub or perennial with woody base