Orchis mascula vs male orchis

Orchis mascula and male orchis both are nouns.

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

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

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

Other synonyms of Orchis mascula include early purple orchid.

Orchis mascula (noun)	male orchis (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