Pinus resinosa vs true pine

Pinus resinosa and true pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinus resinosa	Yes	No	No	No
true pine	Yes	No	No	No

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

Pinus resinosa: pine of eastern North America having long needles in bunches of two and reddish bark
true pine: a coniferous tree

Other hypernyms of Pinus resinosa include pine, pine tree.

Pinus resinosa (noun)	true pine (noun)
pine of eastern North America having long needles in bunches of two and reddish bark	a coniferous tree