Ilex theezans

Ilex theezans, also "I. theæzans" and "I. theazans", is a species of the genus "Ilex" in the family Aquifoliaceae, native to Brazil and typically found in its Atlantic Forest. 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".