West and, Lixian home for gifted species, annual production of 310,000 kilograms, Weixin, of wetlands, toxic, there is phlegm dampness, Jianpi appetizers, the effect of antiemetic Jiangni.

• 以西和、礼县家种的为优，年产量31万公斤，味辛、性湿、有毒、有燥湿化痰、健脾开胃、降逆止呕之功效。