黄 ㄏㄨㄤ ˊ huáng 檗 ㄅㄛ ˋ bò 黃 ㄏㄨㄤ ˊ huáng 檗 ㄅㄛ ˋ bò Amur cork tree (Phellodendron amurense) cork-tree bark (Chinese medicine)