genus Epipactis vs orchid family

genus Epipactis and orchid family both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Epipactis	Yes	No	No	No
orchid family	Yes	No	No	No

genus Epipactis (noun)	orchid family (noun)
genus of hardy orchids with leafy-bracted racemes of greenish or purplish irregular flowers	enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers