The written language of that leaf is called "false embarrassment". "Embarrassment" ranks third.
Alias: Cynanchum komarovii, Cynanchum komarovii (Collection of Lingnan Herbs) and Cynanchum komarovii (Pharmacology of Nanning)
Step 3: Pictures
4. There are other places where snails are fried and perilla or cinnamon leaves are put.