Salix viminalis vs velvet osier

Salix viminalis and velvet osier both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix viminalis	Yes	No	No	No
velvet osier	Yes	No	No	No

As nouns, Salix viminalis and velvet osier are synonyms defined as:

Salix viminalis and velvet osier: willow with long flexible twigs used in basketry

Other synonyms of Salix viminalis include common osier, hemp willow.

Salix viminalis (noun)	velvet osier (noun)
willow with long flexible twigs used in basketry	willow with long flexible twigs used in basketry