Bartram Juneberry vs Amelanchier bartramiana

Bartram Juneberry and Amelanchier bartramiana both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bartram Juneberry	Yes	No	No	No
Amelanchier bartramiana	Yes	No	No	No

As nouns, Bartram Juneberry and Amelanchier bartramiana are synonyms defined as:

Bartram Juneberry and Amelanchier bartramiana: open-growing shrub of eastern North America having pure white flowers and small waxy almost black fruits

Bartram Juneberry (noun)	Amelanchier bartramiana (noun)
open-growing shrub of eastern North America having pure white flowers and small waxy almost black fruits	open-growing shrub of eastern North America having pure white flowers and small waxy almost black fruits