paper plant vs Cyperus papyrus

paper plant and Cyperus papyrus both are nouns.

Word	Noun	Adjective	Verb	Adverb
paper plant	Yes	No	No	No
Cyperus papyrus	Yes	No	No	No

As nouns, paper plant and Cyperus papyrus are synonyms defined as:

paper plant and Cyperus papyrus: tall sedge of the Nile valley yielding fiber that served many purposes in historic times

Other synonyms of paper plant include Egyptian paper reed, Egyptian paper rush, paper rush, papyrus.

paper plant (noun)	Cyperus papyrus (noun)
tall sedge of the Nile valley yielding fiber that served many purposes in historic times	tall sedge of the Nile valley yielding fiber that served many purposes in historic times