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Botanical atlas

Yerba Mate

Ilex paraguariensis

Long before it filled gourds across South America, yerba mate was cultivated and cherished by the Guaraní people, who called it caá, simply, the plant. They roasted and steeped the leaves as both a daily nourishment and a social glue, a drink meant to be shared rather than sipped alone. Jesuit missionaries who settled in the region in the 1600s took to the practice so thoroughly that mate plantations spread across the missions, and the habit of passing a single gourd and bombilla from hand to hand became a ritual of hospitality that endures today. In traditional use, mate was valued as a tonic for weariness, sluggish digestion, and the long hours of work in the field.

In tradition.

Long before it filled gourds across South America, yerba mate was cultivated and cherished by the Guaraní people, who called it caá, simply, the plant. They roasted and steeped the leaves as both a daily nourishment and a social glue, a drink meant to be shared rather than sipped alone. Jesuit missionaries who settled in the region in the 1600s took to the practice so thoroughly that mate plantations spread across the missions, and the habit of passing a single gourd and bombilla from hand to hand became a ritual of hospitality that endures today. In traditional use, mate was valued as a tonic for weariness, sluggish digestion, and the long hours of work in the field.

Traditional preparations.

Traditional Mate Infusion

The classic preparation, meant to be sipped slowly and shared, traditionally used to ease fatigue and support digestion after meals.

Fill a mate gourd or small teapot about a third full with 2 to 3 teaspoons of dried yerba mate. Pour in water just off the boil, around 160 to 175°F, and let steep for 3 to 5 minutes. Traditionally the gourd is refilled with hot water several times and passed among friends.

Tereré (Cold Mate Infusion)

A cooling, traditional variation popular in Paraguay for warm weather, gentler on the stomach for some drinkers.

Steep 2 teaspoons of dried yerba mate in 1 cup of cold water in the refrigerator for 15 to 20 minutes, then strain and drink over ice.

Safety.

Yerba mate's caffeine can cause jitteriness or a racing heart in excess and may interact with stimulant, MAOI, or blood pressure medications. Drinking it scalding hot, as is traditional in some regions, has been linked to a higher long-term risk of esophageal irritation, so let it cool a bit first.

Meet the plant itself.

Our sister app HerbLens identifies yerba mate from a photo and keeps its full botanical portrait: growing guide, harvest notes, and look-alike warnings.

View on HerbLens
Make it personal.

Ask HerbSense how yerba mate is traditionally used and what to know before trying anything at home.

Ask about Yerba Mate

HerbSense shares traditional herbal knowledge for education, not diagnosis or treatment. Herbs can interact with medicines and conditions. Speak with your doctor before acting on anything here, and seek care promptly for anything severe, sudden, or worsening.