woolly manzanita vs downy manzanita

woolly manzanita and downy manzanita both are nouns.

Word	Noun	Adjective	Verb	Adverb
woolly manzanita	Yes	No	No	No
downy manzanita	Yes	No	No	No

As nouns, woolly manzanita and downy manzanita are synonyms defined as:

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

Other synonyms of woolly manzanita include Arctostaphylos tomentosa.

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