Here is some basic information about Gynura japonica and a list of ethnobotanical uses which includes medicinal uses and other uses of Gynura japonica.
Gynura japonica basic info
Scientific Name: Gynura japonica (Thunb.) Juel.
Ethnobotanical and folk medicinal uses of Gynura japonica
*The information in this list is based on the ethnobotanical data in Dr. Duke's Phytochemical and Ethnobotanical Databases.
Dr. Duke does not recommend using this information for self diagnosis or self medication. - See link
Gynura japonica in other websites
Gynura japonica common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Gynura japonica - See link
See if there is something in Youtube on the term Gynura japonica - See link