genus Liriodendron vs yellow poplar

genus Liriodendron and yellow poplar both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Liriodendron	Yes	No	No	No
yellow poplar	Yes	No	No	No

genus Liriodendron (noun)	yellow poplar (noun)
tulip trees	tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit; yields soft white woods used especially for cabinet work
	light easily worked wood of a tulip tree; used for furniture and veneer