🌳Amazonian Plant Medicine

Yuquilla (Wild Arrowroot)

Calathea allouia

About Yuquilla (Wild Arrowroot)

Yuquilla (Wild Arrowroot) (Calathea allouia) is a herb used in the Amazonian Plant Medicine tradition to help with Digestive Issues, Diarrhea, Constipation, and Gut Health. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Goeppertia allouia (syn. Calathea allouia), known as lerén or lairén in Spanish, and also known in English as Guinea arrowroot, and sweet corn root, is a plant in the arrowroot family, native to northern South America and the Caribbean, The name "allouia" is derived from the Carib name for the plant Lerén is a minor food crop in the American tropics, but was one of the earliest plants domesticated by pre-historic Amerindians in South America.

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts · internalLeaves · internal
🫖

Decoction

1–2 cups daily
  • Add 1–2 tsp of dried Yuquilla (Wild Arrowroot) to 2 cups of cold water.
  • Bring to a boil, then simmer for 15–20 minutes.
  • Strain and drink warm.
💧

Tincture

20–40 drops in water, 2–3× daily
  • Pack dried Yuquilla (Wild Arrowroot) into a jar and cover with 40–60% alcohol.
  • Seal and steep for 4–6 weeks, shaking daily.
  • Strain and store in a dark dropper bottle.
💊

Powder / Capsule

500 mg – 1 g, 1–3× daily
  • Grind dried Yuquilla (Wild Arrowroot) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.

Pregnancy, Breastfeeding & Children

No herb-specific pregnancy/child safety research is documented for Yuquilla (Wild Arrowroot) in our references — the guidance below is based on its general effect category, not research on Yuquilla (Wild Arrowroot) itself. Always confirm with a midwife, doctor, or pediatrician.

Pregnancy

Likely Safe

This herb is a high-fiber/mucilage-type remedy, generally among the gentler options in pregnancy. As with any fiber-rich herb, take with plenty of water and space apart from prenatal vitamins or medications, which it may slow the absorption of.

Breastfeeding

Likely Safe

Generally considered compatible with breastfeeding; space apart from other oral medications.

Children

Likely Safe

Fiber/mucilage herbs are generally gentle and food-like; use age-appropriate amounts and ensure adequate fluid intake.

Contraindications

    Warnings

    ⚠️ Allergic Reactions

    Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.

    ⚠️ Not Medical Advice

    This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.

    Drug & herb interactions

    May affect drug absorption

    Watch for: Any oral medication taken around the same time

    High-fiber or mucilage-rich herbs can slow or reduce how much of another oral drug is absorbed — space doses a couple of hours apart.

    Where to find in nature

    Native region

    Amazon Basin — Brazil, Peru, Ecuador, Colombia

    Climate

    Tropical rainforest

    Habitat

    Deep within the Amazon rainforest canopy and riverbanks; many accessible only via indigenous guides

    🌿 To see Yuquilla (Wild Arrowroot) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier — never consume a plant you are not 100% certain of.

    Where to buy

    In store

    • Specialist botanical importers
    • Ayahuasca retreat centres and shamanic plant medicine suppliers (where legal)
    • Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
    • Naturopathic clinics and integrative medicine practices
    • Specialist herbal apothecaries and herbalist practices

    Online

    iHerb

    Wide selection of standardised extracts, capsules, and powders with lab testing

    Mountain Rose Herbs

    Premium bulk dried herbs — certified organic, ethically sourced

    Starwest Botanicals

    Large selection of certified organic bulk herbs and powders

    Herb Pharm

    High-quality liquid extracts and tinctures, rigorous quality standards

    Amazon

    Convenient — verify brand certifications and check third-party testing

    Etsy

    Small-batch artisan herbalists, hand-harvested and wildcrafted herbs

    Quality tips

    When buying Yuquilla (Wild Arrowroot), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products — quality varies enormously.