bean trefoil vs shrub

bean trefoil and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
bean trefoil	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of bean trefoil; that is, shrub is a word with a broader meaning than bean trefoil:

bean trefoil: shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of bean trefoil include bush.

bean trefoil (noun)	shrub (noun)
shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed	a low woody perennial plant usually having several major stems