Pinus torreyana vs pine

Pinus torreyana and pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinus torreyana	Yes	No	No	No
pine	Yes	No	Yes	No

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

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

Other hypernyms of Pinus torreyana include pine tree, true pine.

Pinus torreyana (noun)	pine (noun)
medium-sized five-needled pine of southwestern California having long cylindrical cones	a coniferous tree
	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

Pinus torreyana (verb)	pine (verb)
	have a desire for something or someone who is not present