The plants used to make beer and marijuana are in the same botanical family!

Believe it or not you can pretty much say that both these plants are family!Cannabaceae is the scientific name that is given to this family of plants which include more de 170 species grouped in about 11 genera.

The Cannabacea family includes many plants, in which Cannabis (hemp/weed), Humulus (hops) and Celtis (hackberries) are included. And many of these plants have been used for ritual/medicinal purposes in China since 494 B.C!

Hop is currently used in the production of beer because of it's aromatic substances, while different subspecies of hemp are cultivated for the production of fiber, as a source of cheap oil, for the nutritious seeds or for medical cannabis!

(Source)