flame pea vs shrub

flame pea and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
flame pea	Yes	No	No	No
shrub	Yes	No	No	No

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

flame pea: any of several small shrubs or twining vines having entire or lobed leaves and racemes of yellow to orange-red flowers; Australia
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of flame pea include bush.

flame pea (noun)	shrub (noun)
any of several small shrubs or twining vines having entire or lobed leaves and racemes of yellow to orange-red flowers; Australia	a low woody perennial plant usually having several major stems