Amaranthus dubius , the red spinach, Chinese spinach, (simplified Chinese: 苋菜; traditional Chinese: 莧菜; pinyin: xiàncài), spleen amaranth, hon-toi-moi, yin choy, hsien tsai, or Arai keerai (அரை கீரை) is a plant species. It belongs to the economically important family Amaranthaceae.