Mimosa tenuiflora
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Mimosa hostilis is a perennial evergreen shrub native to the northeastern region of Brazil. It is one of many Mimosa species.
The white, fragrant flowers occur in loosely cylindrical spikes. The fern-like branches have leaves that are finely pinnate, growing to 5 cm long. The brittle fruits average 3 cm long. The plant itself grows to 4 meters in hight.
The root bark is often the most desired part of the plant; it contains the highest recorded concentration of tryptamines, such as DMT, and is used in the making of psychoactive substances. Today it is a commonly used analogue admixture to western Ayahuasca brews.
Traditionally, the root bark was used without any MAOI to render the DMT orally active, presenting some confusion to modern scientific study of the plant. Without an MAOI, DMT is destroyed by stomach enzymes before it affects the nervous system.
The root bark comes from a tree locally known as Jurema, Jurema Preta, Black Jurema, and Vinho de Jurema; the traditional tea brewed from M. hostilis is also known as Jurema.