Wikipedia: The genus is native to Africa, and is common in South Africa's Cape Province, the mountains of tropical Africa, and neighboring areas such as Madagascar, the Arabian peninsula, and the islands of Africa.
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❝Of the 299 species of Aloe, only a few were used traditionally as a herbal medicine, aloe vera again being the most commonly used version of aloe in herbal medicine. Also included are Aloe perryi (found in northeastern Africa) and Aloe ferox (found in South Africa). The Greeks and Romans used aloe vera to treat wounds. In the Middle Ages, the yellowish liquid found inside the leaves was favored as a purgative. Processed aloe that contains aloin is generally used as a laxative, whereas processed aloe vera juice does not usually contain significant aloin.
Some species, particularly Aloe vera are used in alternative medicine and in the home first aids. Both the translucent inner pulp and the resinous yellow aloin from wounding the Aloe plant are used externally to relieve skin discomforts. As an herbal medicine, aloe vera juice is commonly used internally to relieve digestive discomfort "aloe for heartburn." Some modern research suggests Aloe vera can significantly slow wound healing compared to normal protocols of treatment. Other reviews of randomised and controlled clinical trials have provided no evidence that Aloe vera has a strong medicinal effect.❞
Growing aloe
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