https://science.howstuffworks.com/life/botany/kudzu.htm

https://retrovirology.biomedcentral.com/articles/10.1186/s12977-018-0446-x

https://www.ncbi.nlm.nih.gov/pubmed/30236131

Kudzu belongs to the legume family and is related to the pea, soybean, peanut, alfalfa, aster and oat. Interestingly enough, it's also related to the cannabis plant [source: Britton] With the equivalent nutritional value as alfalfa.