sabine pine vs pine tree

sabine pine and pine tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
sabine pine	Yes	No	No	No
pine tree	Yes	No	No	No

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

sabine pine: medium-sized five-needled pine of southwestern California having long cylindrical cones
pine tree: a coniferous tree

Other hypernyms of sabine pine include pine, true pine.

sabine pine (noun)	pine tree (noun)
medium-sized five-needled pine of southwestern California having long cylindrical cones	a coniferous tree