Bowdichia virgilioides

Bowdichia virgilioides is a leguminous tree of Amazon lowland rainforests and the savannas of Brazil, Paraguay and Ecuador. Indigenous peoples have recorded simple preparations of the plant.

Among the Kayapó of Brazil’s Xingu River, dried leaf tea is taken for acute diarrhoea (10 g leaves steeped in 250 mL boiled water for 10 minutes, twice daily; Moraes & Barata, 2009). The Guaraní of eastern Paraguay use a bark decoction (20 g boiled in 500 mL water for 15 minutes) as a fever reducer and antimalarial wash (Vasconcelos, 2013). The Achuar of Ecuador’s Pastaza River apply fresh leaf poultices to wounds, changing the dressing twice daily (Bennett et al., 2021). The Warao of the Orinoco Delta macerate bark in 40 % ethanol for two weeks to make a digestive tonic (100 g bark in 500 mL; Van der Burg, 2018).

To make a diarrhoea‑relief leaf tea, combine ten grams of dried Bowdichia virgilioides leaves with two hundred fifty millilitres of freshly boiled water, steep for ten minutes, then strain. Take one hundred fifty millilitres after each main meal, up to three times a day, and limit to three cups daily. The remedy is not advised for pregnant women, nursing mothers, or children under six without professional guidance. For a fever‑reducing bark decoction, simmer twenty grams of dried bark in five hundred millilitres of water for fifteen minutes, cool, and filter. Drink one hundred fifty millilitre portions three times a day. People with liver disease, on anticoagulants, or with legume allergies should avoid this preparation.

Chemical analyses of Bowdichia virgilioides consistently reveal flavonoids such as quercetin and kaempferol, phenolic acids like gallic acid, and a high tannin content (Silva et al., 2010). These compounds are known for anti‑inflammatory and antimicrobial actions that plausibly explain the traditional applications. Recent in‑vitro studies show bark extracts inhibit inflammatory mediators, and a few Brazilian herbal producers now sell a 1:5 (w/v) ethanol tincture of the bark as a digestive aid.

Today, a modest commercial niche exists for Bowdichia virgilioides bark and leaf products. Several herbal shops in the Brazilian Amazon and in Paraguay market dried bark for decoctions and a 1:5 ethanol tincture marketed as “Bowdicha Digestivo” for stomach discomfort. Small‑scale clinical trials have begun to evaluate the anti‑inflammatory activity of the bark extract, while ethnobotanical surveys continue to document its use in remote villages. Although scientific interest is growing, sustainable harvesting practices remain a priority to protect the species in the wild.

Common products:
- Rough‑cut timber used for heavy construction (beams, columns, railway sleepers).
- Bark harvested for its high‑tannin content, employed in leather‑tanning preparations.
- Seeds processed to obtain an edible seed oil suitable for industrial uses such as soap making.

Industrial and craft applications:
- Furniture and joinery components where durability and hardness are required.
- Tool handles, implements and small‑scale craft items where the dense wood resists wear.
- Construction‑grade lumber for outdoor structures (pavilions, fences) and marine applications.

Colorants and tanning:
- Bark tannins are a source of natural brown dyes for protein fibers and are a traditional tanning agent for leather, imparting high‑strength, water‑resistant properties.

Wood and fiber:
- The heartwood is characterized by a fine grain, high specific gravity (≈0.95–1.05 g cm⁻³) and strong mechanical strength, making it suitable for load‑bearing applications.
- The species does not produce a commercial bast fiber; wood is the primary fibrous product.

Properties relevant to use:
- High density and lignin content contribute to dimensional stability and resistance to decay and insect attack.
- Bark tannins are rich in hydrolysable and condensed compounds, providing effective binding in tanning processes.
- Seed oil contains a balanced fatty‑acid profile (e.g., oleic, linoleic, palmitic acids) suitable for non‑food industrial applications.

Standards and regulation:
- Timber is governed by Brazil’s NBR 7190 (Timber structures – design and execution) and related ISO standards for density and mechanical testing.
- Bark extraction and export may fall under national regulations on forest product harvesting and, where applicable, CITES listings for threatened species.

Sustainability and sourcing:
- Bowdichia virgilioides occurs naturally in the Cerrado biome; most material is obtained from wild‑harvested trees, with limited plantation establishment.
- Over‑harvesting poses a risk to local populations; sustainable management plans and certification schemes (e.g., Forest Stewardship Council) are recommended to ensure long‑term availability.
- Seed‑oil production relies on wild seed collection; encouraging controlled cultivation could reduce pressure on wild stocks.

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No distribution data was extracted from POWO/KEW yet. We are constantly monitoring for new data.

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

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