dwarf golden chinkapin vs shrub

dwarf golden chinkapin and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
dwarf golden chinkapin	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of dwarf golden chinkapin; that is, shrub is a word with a broader meaning than dwarf golden chinkapin:

dwarf golden chinkapin: evergreen shrub similar to golden chinkapin; mountains of California
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of dwarf golden chinkapin include bush.

dwarf golden chinkapin (noun)	shrub (noun)
evergreen shrub similar to golden chinkapin; mountains of California	a low woody perennial plant usually having several major stems