Jersey pine vs true pine

Jersey pine and true pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jersey pine	Yes	No	No	No
true pine	Yes	No	No	No

As nouns, true pine is a hypernym of Jersey pine; that is, true pine is a word with a broader meaning than Jersey pine:

Jersey pine: common small shrubby pine of the eastern United States having straggling often twisted or branches and short needles in bunches of 2
true pine: a coniferous tree

Other hypernyms of Jersey pine include pine, pine tree.

Jersey pine (noun)	true pine (noun)
common small shrubby pine of the eastern United States having straggling often twisted or branches and short needles in bunches of 2	a coniferous tree