Brews can also be made with no DMT-containing plants; " Psychotria viridis " being substituted by plants such as " Justicia pectoralis ", " Brugmansia ", or sacred tobacco, also known as " mapacho " ( Nicotiana rustica ), or sometimes left out with no replacement.
12.
The vast majority of commercially available tobacco is derived from the species " Nicotiana tabacum ", although it is also produced from " Nicotiana alata ", and to a lesser extent " Nicotiana clevelandii ", " Nicotiana longiflora ", and " Nicotiana rustica ", among others.
13.
Chaplin, a director of the USDA Research Laboratory at Oxford, North Carolina, had described the need for a higher nicotine tobacco plant in the trade publication " World Tobacco " in 1977, and had bred a number of high-nicotine strains based on a hybrid of " Nicotiana tabacum " and " Nicotiana rustica ", but they were weak and would blow over in a strong wind.
