Kielmeyera variabilis
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| Kielmeyera variabilis | |
|---|---|
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Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Calophyllaceae |
| Genus: | Kielmeyera |
| Species: | K. variabilis |
| Binomial name | |
| Kielmeyera variabilis | |
Kielmeyera variabilis (malva-do-campo or pau santo) is tree growing to a height of 3–6 meters, found in savannah regions of eastern and central Brazil (the Cerrado).[1] K. variabilis is traditionally used in folk medicine to treat tropical diseases including schistosomiasis, leishmaniasis, malaria, as well as fungal and bacterial infections.[2]
K. variabilis has been shown to contain three flavonols and a biflavone known to show antioxidant activity: quercitrin, quercetin-3-O-β-glucoside, quercetin-3-O-β-galactoside; and podocarpusflavone A (the biflavone).[3]
In 2019 a new acylphoroglucinol isolated from the branches of the tree showed activity against Methicillin-resistant Staphylococcus aureus (MRSA).[4]