Citrus Were Bitter and not Edible Before by FruitLush • 19 February,2013 • Fun Fruit Facts • 0 Comments Unlike our citrus nowadays, the first varieties were bitter and not edible. The largest producer and supplier of citrus in the world is Brazil. If mango is the favorite fruit all over the world, citrus is the most widely grown fruit in the world. You might also like: Mango, the Most Popular Fruit in the World Alternative Snacks From Around The World Your Picky Eater Can Eat Well Too!