Aloe vera has around 250 species, of which four are grown for their health benefits.
Similarly, how do I know what kind of aloe vera plant I have?
How to Identify Edible Aloe Vera. Aloe vera barbadensis Miller has thick, wide, fleshy upright leaves which are gray-green in colour, and produces yellow flowers. Aloe vera barbadensis Miller plant, showing the distinct difference between the spotted younger leaves, and the mature leaves, which have no spots.
Considering this, which type of aloe vera is poisonous?
There are three poisonous Aloe species – Aloe ballyi, Aloe elata and Aloe ruspoliana. These species have leaf sap that gives off a strong ratty odour.