知母 Traditional form: 知母 Pinyin (reading): zhīmǔ Definitions: Anemarrhena asphodeloides rhyzome of Anemarrhena (used in TCM) Characters: 知 - to know, to perceive, to comprehend 母 - mother; female elders; female Traditional characters: 知 - to know, to perceive, to comprehend 母 - mother; female elders; female