hemp willow vs Salix viminalis

hemp willow and Salix viminalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemp willow	Yes	No	No	No
Salix viminalis	Yes	No	No	No

As nouns, hemp willow and Salix viminalis are synonyms defined as:

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

Other synonyms of hemp willow include common osier, velvet osier.

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