male orchis vs Orchis mascula

male orchis and Orchis mascula both are nouns.

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

As nouns, male orchis and Orchis mascula are synonyms defined as:

male orchis and Orchis mascula: Eurasian orchid with showy pink or purple flowers in a loose spike

Other synonyms of male orchis include early purple orchid.

male orchis (noun)	Orchis mascula (noun)
Eurasian orchid with showy pink or purple flowers in a loose spike	Eurasian orchid with showy pink or purple flowers in a loose spike