This lemon is another popular variety in India, however, it was first discovered in Brazil in 1914. The Dorshapo lemon is named after the three researchers who found it — thus the rather unusual name. According to India Mart, the Dorshapo lemon is basically a mix of a lemon and Limetta. It is very low in acid, which gives the fruit its sweetness. Dorshapo lemons are also totally edible, and often used to make delicious juices with rind and all.