jack pine vs Pinus banksiana

jack pine and Pinus banksiana both are nouns.

Word	Noun	Adjective	Verb	Adverb
jack pine	Yes	No	No	No
Pinus banksiana	Yes	No	No	No

As nouns, jack pine and Pinus banksiana are synonyms defined as:

jack pine and Pinus banksiana: slender medium-sized two-needled pine of eastern North America; with yellow-green needles and scaly grey to red-brown fissured bark

jack pine (noun)	Pinus banksiana (noun)
slender medium-sized two-needled pine of eastern North America; with yellow-green needles and scaly grey to red-brown fissured bark	slender medium-sized two-needled pine of eastern North America; with yellow-green needles and scaly grey to red-brown fissured bark