Xi Gua
| 西瓜 | watermelon fruit | Citrulli Fructus |
Xi He Liu
| 西河柳 | tamarisk stems and leaves | Tamaricis Cacumen |
Xi Jiao
| 犀角 | rhinoceros horn | Cornu. Rhinoceri |
Xi Xian Cao
| 稀薟草 | siegesbeckia | Herba Siegesbeckiae |
Xi Xin
| 細辛 | Chinese wild ginger, asarum | Herba cum Radice Asari |
Xi Yang Shen
| 西洋参 | American ginseng root | Panacis quinquifolii Radix |
Xia Ku Cao
| 夏枯草 | selfheal spike, prunella | Spica Prunellae Vulgaris |
Xian Dan Zhu Ye
| 鮮淡竹葉 | Fresh Lopatheri Gracilis | Lophateri Herba |
Xian He Cao
| 仙鶴草 | agrimony | Herba Agrimoniae Pilosae, Agrimoniae Herba |
Xian Mao
| 仙茅 | golden eye-grass rhizome; curculigo | Curculiginis Rhizoma |
Xiang Fu
| 香附 | cyperus, nut-grass rhizome | Cyperi Rhizoma |
Xiang Jia Pi
| 香加皮 | Chinese silkvine root bark | Periplocae Cortex |
Xiang Ru
| 香薷 | aromatic madder, elsholtzia, molsa, summer ma huang | Herba Elsholtziae seu Moslae |
Xiang Yuan
| 香櫞 | citron | Citri Fructus |
Xiao Hui Xiang
| 小茴香 | fennel fruit | Foeniculi Fructus |
Xiao Ji
| 小薊 | small thistle, field thistle, cephalanoplos | Herba Cephanoplos., Cirsii Herba |
Xie Bai
| 薤白 | Chinese garlic, garlic chives | Allii macrostemi Bulbus |
Xin Yi Hua
| 辛夷花 | magnolia flower | Flos Magnoliae |
Xing Ren
| 杏仁 | apricot seed or kernel | Semen Pruni Armeniacae |
Xiong Dan
| 熊膽 | bear gallbladder | Vessica Fellea Ursi |
Xiong Huang
| 雄黄 | borneol | Realgar |
Xu Chang Qing
| 徐長卿 | paniculate cynanchum, paniculate swallow-wort root | Cynanchi paniculati Radix |
Xu Duan
| 續斷 | Japanese teasel root; dipsacus | Radix Dipsaci Asperi |
Xuan Fu Hua
| 旋覆花 | inula flower | Flos Inulae |
Xuan Shen
| 玄參 | ningpo figwort root, scrophularia | Radix Scrophulariae Ningpoensis |
xue jie
| 血竭 | dragon's blood (resinous secretion) | Daemonoropis Resina |
Xue Yu Tan
| 血餘炭 | charred human hair | Crinis carbonisatus |