Gossypium peruvianum vs cotton

Gossypium peruvianum and cotton both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gossypium peruvianum	Yes	No	No	No
cotton	Yes	No	Yes	No

As nouns, cotton is a hypernym of Gossypium peruvianum; that is, cotton is a word with a broader meaning than Gossypium peruvianum:

Gossypium peruvianum: cotton with long rough hairy fibers
cotton: erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers

Other hypernyms of Gossypium peruvianum include cotton plant.

Gossypium peruvianum (noun)	cotton (noun)
cotton with long rough hairy fibers	fabric woven from cotton fibers
	thread made of cotton fibers
	erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers
	soft silky fibers from cotton plants in their raw state

Gossypium peruvianum (verb)	cotton (verb)
	take a liking to