Chinese angelica tree vs shrub

Chinese angelica tree and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinese angelica tree	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of Chinese angelica tree; that is, shrub is a word with a broader meaning than Chinese angelica tree:

Chinese angelica tree: similar to American angelica tree but less prickly; China
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Chinese angelica tree include bush.

Chinese angelica tree (noun)	shrub (noun)
similar to American angelica tree but less prickly; China	a low woody perennial plant usually having several major stems