Erica carnea vs spring heath

Erica carnea and spring heath both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erica carnea	Yes	No	No	No
spring heath	Yes	No	No	No

As nouns, Erica carnea and spring heath are synonyms defined as:

Erica carnea and spring heath: dwarf European shrub with very early blooming bell-shaped red flowers

Other synonyms of Erica carnea include winter heath.

Erica carnea (noun)	spring heath (noun)
dwarf European shrub with very early blooming bell-shaped red flowers	dwarf European shrub with very early blooming bell-shaped red flowers