What is the difference between industrial hemp, marijuana, & cannabis?
Hemp and marijuana are both of the same genus and species, they are differentiated by their THC content and their intended use. Hemp has been cultivated over time to provide more fiber/CBD/biomass than marijuana, making it a better candidate for textile uses. Marijuana, on the other hand, has been cultivated for maximum THC content mostly for medicinal & recreational use. This selective cultivation has led to vast physical differences that are exploited for their medicinal/production value.
Tennessee state law requires any cannabis derived products must be derived from hemp, not marijuana; it also reclassified hemp as having 0.3% THC or less. Determining where any cannabis product was derived from is difficult because the only difference is THC content, not allowing for definitive proof of origin.
You can urge your legislators to have more consumer-friendly cannabis laws here.