Brazil Nut
Bertholletia excelsa
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Description
The Brazil Nut tree, Bertholletia excelsa, is a towering keystone species native to the Amazon rainforest, reaching heights of up to 50 meters. It plays a crucial role in its ecosystem by providing habitat and food for various wildlife, including agoutis, which are essential for seed dispersal. The tree produces large, woody fruits containing edible seeds known as Brazil nuts, which are highly nutritious, rich in selenium, protein, and healthy fats. In agroecology and regenerative agriculture, the Brazil Nut tree is integral to forest conservation and sustainable land use, supporting biodiversity and carbon sequestration. It is often included in agroforestry systems, where it can be paired with understory plants like cacao and coffee, enhancing soil health and providing economic benefits to local communities. Historically, indigenous peoples have valued Brazil nuts for their nutritional and medicinal properties, using them in traditional diets and remedies.
Growing Details
Brazil Nut trees thrive in tropical climates with high humidity and well-drained, loamy soils rich in organic matter. Before planting, enrich the soil with compost and mulch to retain moisture and suppress weeds. Companion planting with cacao or coffee can enhance biodiversity and economic yield. Avoid planting in areas prone to flooding or with poor drainage. Harvesting occurs from January to June, and nuts should be dried thoroughly to prevent mold before storage. Store in a cool, dry place to
Tags
Keystone Specie
Carbon Farming
Attracts Wildlife
Building Wood
Erosion Preventing
Bee Friendly
Visual Appeal
High Protein
Oil
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Bertholletia excelsa</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Amazon rainforest in South America
applicable geo region: Tropical regions of South America
language used: en
Flowering:
beginning
of October for 30 days
Harvest:
beginning
of January for 180 days
Seed Start:
?
Indoor Start:
Transplant:
Uses & Benefits
Edible Rating:
(5/5)
edible uses: Brazil nuts are consumed raw or roasted and are a popular ingredient in various culinary dishes. They are also used in the production of nut butter and oil. The nuts are available seasonally, typically harvested from January to June. Due to their high selenium content, they are a valuable dietary supplement but should be consumed in moderation to avoid selenium toxicity.
Medicinal Rating:
(3/5)
medicinal uses: Brazil nuts are renowned for their high selenium content, which supports thyroid function and may have antioxidant properties. They are used in traditional medicine to enhance immune function and promote overall health. However, excessive consumption can lead to selenium toxicity, so intake should be limited to a few nuts per day.
health concerns: Excessive consumption of Brazil nuts can lead to selenium toxicity, so moderation is advised.
other uses: The hard shell of the Brazil nut fruit is used in handicrafts and as a natural abrasive. The wood of the tree is valued for construction, although its harvest is restricted to protect the species.
Scientific Literature
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Botanical data
specie: Bertholletia excelsa
common names: Brazil Nut; Castanha-do-Parรก; Para Nut
family: Lecythidaceae
sub family:
tribe:
sub tribe:
genus: Bertholletia
Growing Conditions
area needed: 100.0 m
spacing: 10.0 m
growing difficulty: High
Deciduous / Evergreen:
Seed Temp (Opt/Min/Max): 30ยฐC / 25ยฐC / 35ยฐC
Plant Temp (Opt/Min/Max): 30ยฐC / 20ยฐC / 35ยฐC
water demands: High
humidity: High
light demands: High
root type: Deep
frost tender: High
hardness:
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(10/10)
first harvest: 12 years
life span: 500 years
succession: Late
growth rate: Slow
max height: 50.0 m
max width: 30.0 m
soil preference:
Medium (Loam)
pH preference:
Neutral
flower type:
Hermaphrodite
growth details: Brazil Nut trees thrive in tropical climates with high humidity and well-drained, loamy soils rich in organic matter. Before planting, enrich the soil with compost and mulch to retain moisture and suppress weeds. Companion planting with cacao or coffee can enhance biodiversity and economic yield. Avoid planting in areas prone to flooding or with poor drainage. Harvesting occurs from January to June, and nuts should be dried thoroughly to prevent mold before storage. Store in a cool, dry place to
Potential Disturbances: Leaf-cutting ants and fungal diseases are common pests. Introduce beneficial insects like predatory beetles to control ant populations. Use neem oil or garlic sprays to manage fungal issues. Planting marigolds nearby can deter some pests naturally.
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