Fagus sylvatica atropunicea vs purple beech

Fagus sylvatica atropunicea and purple beech both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fagus sylvatica atropunicea	Yes	No	No	No
purple beech	Yes	No	No	No

As nouns, Fagus sylvatica atropunicea and purple beech are synonyms defined as:

Fagus sylvatica atropunicea and purple beech: variety of European beech with shining purple or copper-colored leaves

Other synonyms of Fagus sylvatica atropunicea include copper beech, Fagus purpurea, Fagus sylvatica purpurea.

Fagus sylvatica atropunicea (noun)	purple beech (noun)
variety of European beech with shining purple or copper-colored leaves	variety of European beech with shining purple or copper-colored leaves