Yerba mate

A South American holly whose dried leaf is drunk from a gourd through a metal straw. It contains caffeine, which puts it in a different position from most botanicals here, and the social ritual around it is as defining as the drink.

LeafIlex paraguariensisyerba mateContains caffeine

Identity

Botanical name
Ilex paraguariensis
Family
Aquifoliaceae
Part used
Leaf, Aerial parts
Origin
The Paraná basin — Paraguay, Argentina, southern Brazil
Drunk in
Argentina, Uruguay, Paraguay, Rio Grande do Sul, Syria, Lebanon

Character

Vegetal and genuinely bitter, with a smoky edge from the fire-drying. The bitterness is not a fault and is not brewed away; it is what the drink is.

Notes: green tobacco, hay, smoke

History

Cultivated and drunk by the Guaraní long before European contact, and adopted so completely by Jesuit missions that it was known as Jesuit tea in eighteenth-century Europe. It remains a defining daily drink of Argentina, Uruguay, Paraguay and southern Brazil.

How it is drunk

Drunk from a shared gourd passed around a group, refilled by one person who serves everyone in turn. The etiquette is specific: you do not stir the straw, you do not thank the server until you want no more, and you drink your serving before passing it back. Uruguay carries a thermos everywhere; Brazil drinks chimarrão hotter and finer-ground.

Production

Leaves are blanched over fire — the sapecado — to halt oxidation, then dried and aged for months to a year before milling. Argentine material is aged longer and ground finer than Brazilian; Paraguayan is often drunk cold as tereré.

Preparation

Infusion · Cold infusion

  • Herbal infusion (tisane)

    12 g/100 ml · 95100 °C · 5 min

    Category-typical practice rather than a measurement for this specific botanical. Most infusions are far more tolerant of a long steep than tea is.

Caffeine: Yerba mate contains caffeine. TeaHQ does not publish an estimate: doing so requires stating leaf weight, water volume, temperature, steep time and infusion number, and the gourd method — refilled continuously over an hour or more — has no single serving those figures could describe.

Common mistakes

  • Using boiling water, which scorches the leaf and makes it harsh. Around 70–80 °C is standard.

Related botanicals

  • GuayusaSibling Ilex species from the same forest. Guayusa is rounder and much less bitter, and both contain caffeine.
  • YauponThe North American Ilex, and the only caffeinated plant native to the continent. Milder than mate and dominated by how far it was roasted.

Teas this connects to

  • Sheng pu-erh (raw)Both are drunk in long social sessions with repeated refills rather than as a single cup, which shapes the etiquette around each.

Comparisons

  • Guayusa vs yerba mateSibling Ilex species from the same forest, both containing caffeine, and the practical difference is bitterness. Guayusa is round and smooth where mate is sharply green and astringent.
  • Yaupon vs yerba mateThe North American Ilex against the South American one. Yaupon is the only caffeinated plant native to North America, it is much milder, and its species name is a two-hundred-year-old libel.

Guides

Evidence for this page

The botanical name, family and distribution above are checked against an external authority. Ilex paraguariensis A. St.-Hil. — GRIN-Global Taxonomy record— retrieved and read, not countersigned by a named human. That source covers naming and distribution only. Everything else on this page — history, culture, production, flavour, preparation and buying advice — is TeaHQ’s own synthesis with no external source behind it.

Brewing parameters here are typical practice for the category rather than measurements of this plant, and each set says so.

How TeaHQ handles sources

This page makes no safety claim. It describes what Yerba mate is, where it comes from and how it is prepared — not what it does to a person. The absence of a safety note here is not a statement that the plant is safe. How TeaHQ handles this.