Synonyms for Basket willow:

n.

basket willow (noun)
purple osier, purple willow, red osier, red willow, Salix Purpurea.
plant (noun)
purple osier, purple willow, red osier, red willow, Salix Purpurea.

Other synonyms:

Salix purpurea
Salix Purpurea.