Brunfelsia rupestris
Image: G. Martinelli (cc-by)
NameBrunfelsia rupestris
Scientific NameBrunfelsia rupestris
Common NamesManacá
Plant FamilySolanaceae
Natural HabitatNative to Brazil, specifically found in the rupestrian fields and rocky outcrops of Minas Gerais, at elevations around 1200 meters. It is a saxicolous (rock-dwelling) and heliophilous (sun-loving) species.
Parts Usedleaf,root
Medicinal Actionsanalgesic,anti-inflammatory,diuretic,sedative
Traditional UsesTraditionally, species within the Brunfelsia genus have been used for their purgative, diuretic, and diaphoretic properties, and in some cases, for treating rheumatism, syphilis, and fevers. Due to its potent alkaloid content, traditional use requires extreme caution and precise dosage.
Active Constituentsscopolamine, hyoscyamine, brunfelsamidine, tropane alkaloids
Preparation Methodsdecoction,tincture,poultice,powder
Contraindications & WarningsBrunfelsia rupestris, like other Brunfelsia species, is highly toxic due to its alkaloid content. It is strictly contraindicated in pregnancy, lactation, children, and individuals with heart conditions, central nervous system disorders, or glaucoma. May interact dangerously with other CNS depressants.
Cultivation NotesPrefers full sun exposure and well-drained, rocky or sandy soils, mimicking its natural rupestrian habitat. Requires warm climates and is sensitive to frost, thriving in tropical or subtropical conditions.
Rarityrare
Description
A subshrub typically growing up to 0.6 meters, adapted to rocky, sun-exposed environments. It features green, discolored leaves and flowers with a greenish-white calyx often tinged with purple. The corolla has a lilac tube, with petals that are lilac on the outer surface and purple on the inner.
