salix pentandra(n = noun.plant) bay willow, laurel willow - European willow tree with shining leathery leaves; widely naturalized in the eastern United States;
is a kind of willow, willow tree
is a member of genus salix, salix

ceiba pentandra, genus salix, mitella pentandra, salix, salix alba, salix alba caerulea, salix alba sericea, salix alba vitellina, salix amygdalina, salix amygdaloides, salix arctica, salix babylonica, salix blanda, salix candida, salix caprea, salix cinerea, salix discolor, salix fragilis, salix herbacea, salix humilis, salix lasiolepis, salix lucida, salix nigra, salix pendulina, salix pendulina blanda, salix purpurea, salix pyrifolia, salix repens, salix sericea, salix sitchensis, salix triandra, salix tristis, salix uva-ursi, salix viminalis, salix vitellina