This paper published in 2015 in BMC Evolutionary Biology describes the most recent findings of my ongoing work on the evolution of aloes. It is the product of several years’ data gathering with my coworkers. We conducted the first biogeographical study of this important succulent plant group since the 1970s, and confirmed that Aloe vera originated in Arabia, not Africa. We also examined trends in the leaf succulence and uses of aloes.
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