pond pine vs true pine

pond pine and true pine both are nouns.

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

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

pond pine: large three-needled pine of sandy swamps of southeastern United States; needles longer than those of the northern pitch pine
true pine: a coniferous tree

Other hypernyms of pond pine include pine, pine tree.

pond pine (noun)	true pine (noun)
large three-needled pine of sandy swamps of southeastern United States; needles longer than those of the northern pitch pine	a coniferous tree