Tabernaemontana undulata is a tree that grows up to 30 feet tall. The tabernaemontana plant is a tradition amongst the indigenous tribes of Brazil and Peru. The locals of Brazil and Peru use the Tabernaemontana tree for food and medicine. The root bark of the plant is the main ingredient used to make sananga eye drops. The root bark of the Tabernaemontana undulata tree is boiled with distilled water and simmered into a liquid known as Sananga. The Sananga liquid is administered by eye and is commonly used during hunting to aid in animal discovery. The effects of the sananga can last from a few hours to a few days.
Tabernaemontana undulata contains a naturally occurring psychoactive ingredient that is often used to alleviate pain, discomfort or distress. It has also been found to very useful in treating opiate addiction. Others use this plant to enhance cerebral introspection and for some, it is utilized for spiritual research. It has a psychotherapeutic effect that allows people to overcome fear and other forms of negative emotions. When used in low dosages, this plant can be a good source of stimulant and an aphrodisiac.