salix discolor(n = noun.plant) pussy willow - small willow of eastern North America having greyish leaves and silky catkins that come before the leaves;
is a kind of willow, willow tree
is a member of genus salix, salix

cirsium discolor, discolor, genus salix, 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 fragilis, salix herbacea, salix humilis, salix lasiolepis, salix lucida, salix nigra, salix pendulina, salix pendulina blanda, salix pentandra, salix purpurea, salix pyrifolia, salix repens, salix sericea, salix sitchensis, salix triandra, salix tristis, salix uva-ursi, salix viminalis, salix vitellina