mugho pine vs true pine

mugho pine and true pine both are nouns.

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

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

mugho pine: low shrubby pine of central Europe with short bright green needles in bunches of two
true pine: a coniferous tree

Other hypernyms of mugho pine include pine, pine tree.

mugho pine (noun)	true pine (noun)
low shrubby pine of central Europe with short bright green needles in bunches of two	a coniferous tree