红桤树 hóngqīshù red alder Origin Definitions Defs Strokes Stroke Words Sentences Sents 红 紅 hóng adjective red the color of blood; having a reddish color桤树 榿樹 qīshù alder tree The long-peduncled alder tree; specifically the Alnus cremastogyne or Alnus trebeculata species.