Researching the Leaf

I have been trying to understand more about the leaves that make up our beloved cigars. I stumbled across a link that covers cultivation and explains the different leaf characteristics/segments of the plant. I will continue my search for a more in depth look at the leaf. However, I thought some might be interested in a general look at the leaf we love. covered here are the famous Criollo and Corojo varietals.
Until I find more, my "from seed to smoke" journey continues.

Link