Crossword clues for the word: RHUS The word RHUS has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for RHUS Showing 1 to 9 of 9 results Clue(s) Evergreen shrub Genus of poison ivy. Genus of shrubs Poison ivy genus. Poison oak or ivy. Poison sumac Sumac genus. The sumac. The sumacs