downy manzanita vs Arctostaphylos tomentosa

downy manzanita and Arctostaphylos tomentosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
downy manzanita	Yes	No	No	No
Arctostaphylos tomentosa	Yes	No	No	No

As nouns, downy manzanita and Arctostaphylos tomentosa are synonyms defined as:

downy manzanita and Arctostaphylos tomentosa: erect openly branched California shrub whose twigs are woolly when young

Other synonyms of downy manzanita include woolly manzanita.

downy manzanita (noun)	Arctostaphylos tomentosa (noun)
erect openly branched California shrub whose twigs are woolly when young	erect openly branched California shrub whose twigs are woolly when young