/ Thesaurus / S Synonyms of salix sitchensis Find synonyms for: Noun1. Sitka willow, silky willow, Salix sitchensis, willow, willow treeusage: small shrubby tree of western North America (Alaska to Oregon)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language