<human>:  In the movie, ‘Forks Over Knives’, what is the name of the plant that is used to make the ste?
<bot>: The stevia plant is called Stevia rebaudiana. It is a shrub native to South America. The leaves of the plant are dried and then ground into a fine powder. The stevia powder is then mixed with water to create a liquid sweetener. The sweetener is about 200 times sweeter than sugar, and has been used for thousands of years in South American cultures.