trapper's tea vs shrub

trapper's tea and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
trapper's tea	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of trapper's tea; that is, shrub is a word with a broader meaning than trapper's tea:

Other hypernyms of trapper's tea include bush.

trapper's tea (noun)	shrub (noun)
a Rocky Mountain shrub similar to Ledum groenlandicum	a low woody perennial plant usually having several major stems