Orchis mascula vs orchis

Orchis mascula and orchis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orchis mascula	Yes	No	No	No
orchis	Yes	No	No	No

As nouns, orchis is a hypernym of Orchis mascula; that is, orchis is a word with a broader meaning than Orchis mascula:

Orchis mascula: Eurasian orchid with showy pink or purple flowers in a loose spike
orchis: any of various deciduous terrestrial orchids having fleshy tubers and flowers in erect terminal racemes

Orchis mascula (noun)	orchis (noun)
Eurasian orchid with showy pink or purple flowers in a loose spike	one of the two male reproductive glands that produce spermatozoa and secrete androgens
	any of various deciduous terrestrial orchids having fleshy tubers and flowers in erect terminal racemes