Telfairia pedata
| Oysternut | |
|---|---|
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| T. pedata female flower | |
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| T. pedata male flower | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Cucurbitales |
| Family: | Cucurbitaceae |
| Genus: | Telfairia |
| Species: | T. pedata |
| Binomial name | |
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Telfairia pedata (Sm. ex Sims) Hook. |
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| Synonyms | |
Telfairia pedata, commonly known as oysternutCucurbitaceae family, (alternately spelled as 'oyster nut', etc.), queen's nut,Zanzibar oilvine (alternately spelled as 'oil vine', etc.), is a dioecious African liana which can grow up to 30 metres long, having purple-pink fringed flowers, and very large (30–90 cm × 15–25 cm), many-seeded, drooping, ellipsoid berries which can weigh up to 15 kg (though one old source from 1882 claimed up to 60 lbs). It is valuable for having edible fruit, seeds and oil.
Propagation is by seed which are black to brown-red, recalcitrant and vary from 1g to 68g, with the smaller ones tending to have greater viability. They cannot survive desiccation and fungi are the main cause of seed loss.
In its natural state, Telfairia pedata is found in high-precipitation tropical locales, in coastal and riverine forest lowlands, generally not elevated above 1,100 m.
Although it is also cultivated as a crop plant in Ethiopia, Madagascar, Malawi, Mauritius, Rwanda, South Africa, Uganda, and Zambia, Telfairia pedata is native to only Tanzania (including the Zanzibar Archipelago) and northern Mozambique.
The fruits of Telfairia pedata are edible, but the principal value is found in the seeds (or "nuts") and the seeds' oil. The flavourful seeds are prepared in various culinary ways (cooked, roasted, pickled, etc.), but can also be eaten raw, and are given to nursing mothers to facilitate milk production. The versatile, mildly sweet oil from the seeds (marketed as ‘oyster-nut oil’ or ‘koémé de Zanzibar’) is used in cooking, cosmetics, soap and candle-making, and as a gastric and anti-rheumatism medicine; it is believed, by Chaga people of Tanzania, to be beneficial to give a tonic made from the seeds to women who have just given birth. The left-over cake of seeds from oil pressing is rich in fat and protein, and used as fodder.
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Wikipedia