Acer negundo Californicum Acer negundo Californicum /ˈeɪsər nɪˈɡʌndəʊ kælɪˈfɔrnɪkəm/

noun

1. Maple of the Pacific coast of the United States; fruits are white when mature  ( Acer negundo Californicum , California box elder )
   maple of the Pacific coast of the United States; fruits are white when mature