pink fivecorner vs shrub

pink fivecorner and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
pink fivecorner	Yes	No	No	No
shrub	Yes	No	No	No

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

pink fivecorner: heathlike shrub of southwestern Australia grown for its sharply scented foliage and pink flowers followed by pentagonal fruit
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of pink fivecorner include bush.

pink fivecorner (noun)	shrub (noun)
heathlike shrub of southwestern Australia grown for its sharply scented foliage and pink flowers followed by pentagonal fruit	a low woody perennial plant usually having several major stems