fyzygy Posted December 6, 2022 https://www.unodc.org/unodc/en/data-and-analysis/bulletin/bulletin_1958-01-01_2_page007.html ^ includes some detailed botanical diagrams, results of chemical analysis of different plant parts, etc. Document title suggests older information, as published in the UN Bulletin of Narcotics. But new to me. A traditional tea from khat leaf (presumably dried) is specified at 5-15 grams per litre of water. No method of preparation is given. Share this post Link to post Share on other sites