Pinus attenuata vs true pine

Pinus attenuata and true pine both are nouns.

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

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

Pinus attenuata: medium-sized three-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone
true pine: a coniferous tree

Other hypernyms of Pinus attenuata include pine, pine tree.

Pinus attenuata (noun)	true pine (noun)
medium-sized three-needled pine of the Pacific coast of the United States having a prominent knob on each scale of the cone	a coniferous tree