Pinus contorta vs pine

Pinus contorta and pine both are nouns.

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

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

Pinus contorta: shrubby two-needled pine of coastal northwestern United States; red to yellow-brown bark fissured into small squares
pine: a coniferous tree

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

Pinus contorta (noun)	pine (noun)
shrubby two-needled pine of coastal northwestern United States; red to yellow-brown bark fissured into small squares	a coniferous tree
	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

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