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View of Ilex guayusa from above

Ilex guayusa (/ˈaɪlɛks ˈɡwaɪjuːsə/ or /ˈaɪlɛks ˈwaɪjuːsə/) is an Amazonian tree of the holly genus, native to the Ecuadorian Amazon Rainforest. One of three known caffeinated holly trees, the leaves of the guayusa tree are dried and brewed like a tea for their stimulative effects.

The guayusa plant is a tree which grows 6–30 meters tall. The leaves are evergreen and 2.5–7 cm long. The flowers are small and white. The fruit is spherical and red, 6–7 mm in diameter. The leaves contain caffeine and other alkaloids.


The Wikipedia page is [1].

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