Definitions for ilex guayusa

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  1. Ilex guayusa

    Ilex guayusa 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 growing 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.

U.S. National Library of Medicine

  1. Ilex guayusa

    A plant species of the family AQUIFOLIACEAE known for ritual use by Amazonian Jivaro Indians.

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