Olancho walnut
Juglans olanchana
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Pl. EF62 — Juglans olanchana
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IOverview
Overview
The Olancho walnut (Juglans olanchana) is a large deciduous tree native to Central America and northeastern Mexico, including regions such as El Salvador, Guatemala, Honduras, and various parts of Mexico. This species thrives in moist environments with light to partial sun, growing in soils that are light (sandy), medium, or heavy (clay). It can reach impressive heights of up to 45 meters and is hardy within USDA zones 10-12. Known for its edible seeds, the Olancho walnut plays an important role in local ecosystems and communities as a source of nutrition. Its seeds can be consumed raw or cooked and are also used in dried form or to make a tea. The tree's distinctive feature is its ability to grow in diverse soil types while maintaining a significant height, making it a notable tree in its native range. Traditionally, Juglans species, including the Olancho walnut, have been used in Mesoamerican medicine to support digestive health. A decoction of the bark or leaves may help alleviate occasional indigestion and bloating. However, it is important to use caution and consult a healthcare professional before using any plant for medicinal purposes.
Quick answers
What is Olancho walnut?
The Olancho walnut (Juglans olanchana) is a large deciduous tree native to Central America and northeastern Mexico, including regions such as El Salvador, Guatemala, Honduras, and various parts of Mexico.
What is Olancho walnut used for?
Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 1 evidence-ranked use of Olancho walnut
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
1 claim · traditional-use context
Benefits & evidence
1 claim · traditional-use contextTraditional-use context
These notes are presented as ethnobotanical context. No cited clinical references are catalogued for this plant yet.
- Juglans species, including Olancho walnut, have been traditionally used in Mesoamerican medicine to support digestive health. A decoction of the bark or leaves may help alleviate occasional indigestion and bloating.
The mechanism involves tannins and juglone which can exert astringent effects on the gastrointestinal tract, potentially reducing inflammation and soothing irritation.
▲ ModerateDigestion →
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Olancho walnut support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
The Olancho walnut (Juglans olanchana) thrives in full to partial sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay). It is hardy in zones 10-12 and can grow up to 45 meters tall. For cultivation, focus on providing ample moisture and well-draining soil. The edible parts, specifically the seed, can be harvested. Traditionally, the bark or leaves can be used to support digestive health, though no specific medicinal use is detailed here.
Light
Full sun, Partial sun/shade
Water
Moist, Wet
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
10-12
Mature size
45.0 m tall
For first-time growers
How to grow Olancho walnut for the first time
8steps
Start with planting an Olancho walnut in a sunny spot, as it thrives in full to partial sun.
- 1
What you'll need
A healthy Olancho walnut seed or sapling, a trowel, and mulch.
- 2
Best time to plant
Plant in spring when the soil is moist but not waterlogged.
- 3
Soil and container prep
Choose a location with well-draining soil that's light (sandy), medium, or heavy (clay). Ensure it gets full sun to partial shade.
- 4
Sowing or transplanting
Plant the seed 2-3 cm deep in the ground. For saplings, dig a hole twice as wide and deep as the root ball.
- 5
First two weeks
Keep the soil moist but not soggy. Water regularly to help establish roots.
- 6
Ongoing care
Water deeply once a week during dry spells. Fertilize in early spring with compost or well-rotted manure.
- 7
Harvest or pruning
Prune in late winter before new growth starts to maintain shape and remove dead branches.
- 8
Common mistakes
Overwatering, planting too deep, neglecting regular watering during dry spells, not providing enough sunlight, and using chemical fertilizers.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The olanchana walnut is eaten for its seeds, which can be consumed raw or cooked. They are also used in dried form and can be made into a tea.
Contextrange · companions · related
VIIDistribution
10 native · 0 introduced
Distribution
10 native · 0 introducedDistribution across1 continent· 10 native
Americas4 regions
native (4)El SalvadorGuatemalaHondurasNicaragua
Broader regions
native:Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
Growing zone
Native to
XII
About this entry
- Last updated
- Citation
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Back to the cataloguePlant id · ef621f49-6f21-48cb-a5b2-9411e9a1aca4
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