Zi Collection, Upper Volume, Page 15, Entry 09 Pronounced zhēn (falling tone), same as "zhī". Zi Collection, Upper Volume, Page 15, Entry 09 The grass "zhī" recorded in "Leipian" (Classified Compendium) is a medicinal herb, originally written as "zhī". Textual Research: [In "Jiyun" (Rhyming Compendium), the pronunciation is li-zhēn, same as "zhī".] Based on the original text, "li-zhēn" has been changed to "zhēn-lí".