The genus Cannabis originated in Central Asia (specifically the northeastern Tibetan Plateau region) and shares a family (Cannabaceae) with its closest related sister genus, Humulus (hops) (McPartland, 2018; Kovalchuk et al., 2020).
References Kovalchuk, I., Pellino, M., Rigault, P., van Velzen, R., Ebersbach, J., Ashnest, J. R., Mau, M., Schranz, M. E., Alcorn, J., Laprairie, R. B., McKay, J. K., Burbridge, C., Schneider, D., Vergara, D., Kane, N. C., & Sharbel, T. F. (2020). The genomics of Cannabis and its close relatives. Annual Review of Plant Biology, 71, 713–739. https://doi.org/10.1146/annurev-arplant-081519-040203 Cited by: 225
McPartland, J. M. (2018). Cannabis systematics at the levels of family, genus, and species. Cannabis and Cannabinoid Research, 3(1), 203–212. https://doi.org/10.1089/can.2018.0039 Cited by: 513