Orchis spectabilis vs showy orchis

Orchis spectabilis and showy orchis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orchis spectabilis	Yes	No	No	No
showy orchis	Yes	No	No	No

As nouns, Orchis spectabilis and showy orchis are synonyms defined as:

Orchis spectabilis and showy orchis: North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood

Other synonyms of Orchis spectabilis include purple-hooded orchis, purple orchis.

Orchis spectabilis (noun)	showy orchis (noun)
North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood	North American orchid having a spike of violet-purple flowers mixed with white; sepals and petals form a hood