According to a 1976 study published by the International Association of Plant Taxonomy, “both hemp varieties and marijuana varieties are of the same genus, Cannabis, and the same species, Cannabis Sativa. Further, there are countless varieties that fall into further classifications within the species Cannabis Sativa.”
However, depending on how the plant is grown and utilized will determine which term is correct. For instance, the term cannabis (or marijuana) is used when describing a Cannabis Sativa plant that is bred for its potent, resinous glands (known as trichomes). These trichomes contain high amounts of tetrahydrocannabinol (THC), the cannabinoid most known for its psychoactive properties.
hempHemp, on the hand, is used to describe a Cannabis Sativa plant that contains only trace amounts of THC. Hemp is a high-growing plant, typically bred for industrial uses such as oils and topical ointments, as well as fiber for clothing, construction, and much more.
Only products made from industrial hemp (less than 0.3% THC) are legal to sell, buy, consume, and ship. This single factor (0.3%) is how most people distinguish between what is classified as “hemp” and what is classified as “cannabis.”