early purple orchid vs Orchis mascula

early purple orchid and Orchis mascula both are nouns.

Word	Noun	Adjective	Verb	Adverb
early purple orchid	Yes	No	No	No
Orchis mascula	Yes	No	No	No

As nouns, early purple orchid and Orchis mascula are synonyms defined as:

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

Other synonyms of early purple orchid include male orchis.

early purple orchid (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