plant species genus grows wild tropical climates world cultivated agricultural medicinal uses decorative purposes grows successfully indoors plant found consumer products little scientific evidence effectiveness safety extracts medicinal purposes studies finding positive evidence frequently contradicted studies description short stemmed plant growing tall spreading leaves thick green grey green varieties showing white upper lower stem surfaces margin leaf small white teeth flowers produced summer spike tall flower yellow tubular long like species forms allows plant better access mineral nutrients soil leaves contain study possible taxonomy etymology species number synonyms mill var common names include chinese true species epithet means true genuine literature identifies white spotted form var species varies widely regard leaf spots suggested spotted form species described var described flora april days dictionary techniques based dna comparison suggest relatively closely related species endemic similar techniques dna sequence comparison suggested closely related exception south african species species native lack obvious natural populations species led authors suggest hybrid origin distribution natural range unclear species widely cultivated world stands species occur southern half north_africa morocco egypt neighbouring countries cape distribution somewhat similar suggesting dry forest covered large areas dramatically reduced leaving patches isolated closely related identical species found extreme sides dragon trees representative examples species introduced china parts southern europe 17th century species widely occurring temperate tropical regions australia nigeria mexico states florida arizona texas actual species distribution suggested result human cultivation cultivation widely grown ornamental plant species popular modern medicinal plant interesting flowers form enables species survive areas low natural rainfall making ideal low water use gardens species hardy zones heavy frost snow species relatively resistant insect spider bugs scale insects species cause decline plant health plant gained species requires drained sandy soil bright sunny conditions plants burn sun pot drain water use good quality commercial propagation mix packaged mix recommended allow good drainage plants allowed completely dry prior crowded pups growing sides mother plant divided allow room growth help prevent pest winter dormant little moisture required areas receive frost snow species best kept indoors heated large scale agricultural production australia bangladesh cuba dominican_republic china mexico india jamaica kenya south_africa usa supply industry uses research little scientific evidence effectiveness safety extracts medicinal purposes research study finding positive evidence frequently contradicted studies despite alternative medicine industries regularly claims healing properties reviews clinical studies determined small faulty allow strong conclusions drawn concluded preliminary evidence suggest oral administration effective reducing blood patients lowering blood levels application prevent radiation induced skin damage evidence wound healing contradictory better trial data needed define clinical effectiveness popular remedy precisely reviews found proven offer protection humans review use burns concluded cumulative evidence tends support effective intervention burn wound healing second degree burns designed trials sufficient details contents products carried determine effectiveness application effective review found strong evidence value application treat prevent caused commercially ingredient certain toxic properties severe applied true latex taken conditions ranging multiple required manufacturers use supplement compound found species common ingredient counter products united_states banned companies manufacturing failed provide necessary safety data potential effects occurring dose levels applied removed processing contains excess amounts induce effects juice marketed support health digestive system scientific evidence regulatory approval support claim extracts quantities typically purposes appear dose dependent toxic effects traditional medicine traditional medicine skin treatment medicine called extracts early records use appear 16th century elder natural history written mid century written plant widely traditional medicine countries facial tissues promoted anti reduce nose companies commonly add derivatives products makeup tissues cream review academic literature notes inclusion products effect potential uses extracts include artificial sheep fresh food water conservation small farms suggested obtained seeds guidelines california proposition non leaf extract listed chemicals known state cause cancer reproductive use associated significant effects oral cause abdominal turn decrease absorption drugs studies found non liquid animals state possible humans
Aloe vera