red osier vs basket willow

red osier and basket willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
red osier	Yes	No	No	No
basket willow	Yes	No	No	No

As nouns, red osier and basket willow are synonyms defined as:

red osier and basket willow: Eurasian osier having reddish or purple twigs and bark rich in tannin

Other synonyms of red osier include purple osier, purple willow, red willow, Salix purpurea.

red osier (noun)	basket willow (noun)
Eurasian osier having reddish or purple twigs and bark rich in tannin	Eurasian osier having reddish or purple twigs and bark rich in tannin
common North American shrub with reddish purple twigs and white flowers