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Oilbean tree

Pentaclethra macrophylla

Also called African Oil Bean, Congo Acacia, Atta Bean, Nganzi, Oilbeantree, Owala Oil Tree

Oilbean tree
Photo: Maša Sinreih in Valentina Vivod, CC BY-SA 3.0

A large West and Central African forest tree grown for its fermented seeds, which make the soup condiment ugba. It is rarely grown as an ornamental and is most suited to large warm, humid gardens or plantations.

Family
Fabaceae (Pea & bean family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water regularly while young and during dry spells; established trees tolerate seasonal dryness.
Soil
Deep, well-drained, fertile soil.
Temperature
22–32 °C; protect from frost.
How easy
Hard
Native range
W. Trop. Africa to Angola
Climate
wet tropical

About

Pentaclethra macrophylla, also known as the African oil bean, tree is a large size tree with long bipinnate compound leaves that is endemic to West and Central Africa. It is within the family Fabaceae. Seeds of the species are prepared and fermented to make Ugba, a soup condiment in Nigeria.

Where it grows

Occurs in the forest zones of Senegal eastwards to Sudan and southwards to Angola.

Uses

After processing and fermentation, the processed seeds containing carbohydrates that is rich in fructose and glucose, fatty oil that is rich in oleic and linoleic acid, protein and amino acids are used as condiments in soups and salad or eaten. Oil extracts from the seeds are used to make 'owala' butter, an ingredient used in making candles, lubricants and ointments in Central Africa.

Other Pentaclethra plants

Pentaclethra macroloba

Text excerpted from the Wikipedia article Pentaclethra macrophylla by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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