Ilex theezans

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Ilex theezans
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Aquifoliales
Family: Aquifoliaceae
Genus: Ilex
Species: I. theezans
Binomial name
Ilex theezans

Ilex theezans, also I. theæzans and I. theazans, is a species of the Ilex genus in the Aquifoliaceae family, native to Brazil and typically found amid its Atlantic Forest vegetation. It is sometimes used as an adulterant of maté and sometimes confused with the yerba maté (I. paraguarensis.) In Brazil, it is sometimes called orelha-de-mico; but is more often simply known as congonha ("holly") or caúna (along with I. dumosa.

The species includes the subspecies I. theezans hieronymiana; the varieties I. theezans var. acrodonta, augusti, fertilis, gracilior, grandifolia, leptopylla, pachypylla, typica, and warmingiana; and the forms I. theezans f. glabra and puberula.