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Angostura trifoliata is a relatively obscure tree that grows chiefly in South America. Characterised by its relatively tall stature and dark, compounded leaves, the tree grows to a height of ten to twenty metres, and is replete with a very thick outer bark which is commonly employed by natives as a traditional medicine. The bark is typically pared away from the tree in long, straight strips, which are afterwards dried or employed fresh. Unlike cinnamon bark which curls upon drying, angostura bark retains its straight edges, mainly due to its semi-spongy nature. When extremely dry, the bark become very brittle and can be flaked away by hand into a coarse powder, although angostura is preferably used in its whole form. The efficiency, safety, and possible modern applications for angostura bark is still continuously being studied, although some specialty apothecaries and alternative medicine shops now sell processed angostura bark, typically in encapsulated powdered from. Whole bark may be obtained from areas where it thrives, as it is commonly sold by natives alongside other medicinal herbs.

==Special Precautions of Angostura trifoliata==