upland cotton vs Gossypium hirsutum

upland cotton and Gossypium hirsutum both are nouns.

Word	Noun	Adjective	Verb	Adverb
upland cotton	Yes	No	No	No
Gossypium hirsutum	Yes	No	No	No

As nouns, upland cotton and Gossypium hirsutum are synonyms defined as:

upland cotton and Gossypium hirsutum: native tropical American plant now cultivated in the United States yielding short-staple cotton

upland cotton (noun)	Gossypium hirsutum (noun)
native tropical American plant now cultivated in the United States yielding short-staple cotton	native tropical American plant now cultivated in the United States yielding short-staple cotton