Pennistum villosum vs feathertop

Pennistum villosum and feathertop both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pennistum villosum	Yes	No	No	No
feathertop	Yes	No	No	No

As nouns, Pennistum villosum and feathertop are synonyms defined as:

Pennistum villosum and feathertop: northeastern tropical African plant having feathery panicles

Other synonyms of Pennistum villosum include feathertop grass.

Pennistum villosum (noun)	feathertop (noun)
northeastern tropical African plant having feathery panicles	northeastern tropical African plant having feathery panicles
	a variety of reed grass