Your statement about cannabis being illegal is misleading. Cannabis is the plant/herb itself. The difference in what is legal vs illegal to all states is the flower of the herb containing THC. Anything < 0.3% is regarded as HEMP as the constituents lack enough of the THC compound to create the psychoactive effect. MARIJUANA is known for the psychoactive effects. They are both forms of CANNABIS.
Everything you need to know about marijuana (cannabis) Marijuana, or cannabis, is the most commonly used illicit drug in the world. It alters the mood and affects nearly every organ in the body. With at least 120 active compounds, marijuana may have health benefits as well as risks. We describe these, addiction, and withdrawal. Learn more about cannabis here. Read now