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Synonyms for Pussy Willow (same or very similar meaning)

WordNet sense 1 (much-branched Old World willow having large catkins and relatively large broad leaves):
goat willow, florist's willow, Salix caprea

WordNet sense 2 (small willow of eastern North America having greyish leaves and silky catkins that come before the leaves):
Salix discolor

From the ODE community, based on WordNetadd/edit