sandbar willow

noun

Definition of sandbar willow

: any of various willows that flourish along streams or on alluvial land: such as
a : a much-branched chiefly eastern North American shrubby willow (Salix interior) with lanceolate leaves that are silky when young
b : a shrubby chiefly western North American willow (Salix exigua) having leaves permanently silky but otherwise resembling the eastern sandbar willow