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Funtumia elastica - (Preuss) Stapf

Common Name West African Rubber Tree. Lagos silk rubber
Family Apocynaceae
USDA hardiness 10-12
Known Hazards None known
Habitats Deciduous forest[332 ]. An evanescent species in secondary growth on abandoned cultivated land[332 ].
Range Tropical Africa - Senegal to Sudan, south to Gabon, Congo and Tanzania.
Edibility Rating    (0 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Tender Moist Soil Full sun
Funtumia elastica West African Rubber Tree. Lagos silk rubber


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Funtumia elastica West African Rubber Tree. Lagos silk rubber
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Summary


Physical Characteristics

 icon of manicon of cone
Funtumia elastica is an evergreen Tree growing to 25 m (82ft) by 18 m (59ft) at a fast rate.
It is hardy to zone (UK) 10.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Kibatalia elastica (Preuss) Merr. Kixia elastica Preuss

Habitats

Edible Uses

None known

Medicinal Uses

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The bark is very astringent, laxative and vermifuge. It is included in prescriptions for troubles associated with blennorrhoea and for painful menstruation. It is pounded up and taken in spirit to cure haemorrhoids[332 ]. The latex is applied to cracked sores of the feet, to cutaneous fungal infections and to sores[332 ]. A number of alkaloids is present in the leaves[332 ]. They are used for treating chest-affections and particularly for whooping-cough[332 ]. The young leaves are taken by mouth or in enemas for the treatment of diarrhoea, or are mixed with kaolin and administered by enema[332 ]. The young leaves, mixed with those of Phyllanthus muellerianus, are taken to improve male fertility[332 ]. An unidentified alkaloid is present in the seed [16]. There has been some commercial interest in the seeds as a substitute for Strophanthus seed as a source of strophanthin (which is used like digitalin to treat heart conditions)[332 ].

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Other Uses

The bark contains a white latex which coagulates readily[332 ]. Very high quality, but low yielding compared to Hevea brasiliensis[332 ]. The seed-pod contains a fine white floss which is used for stuffing pillows and cushions[332 ]. In some regions of Africa it is preferred over the floss obtained from Bombax and Ceiba[332 ]. Spinning trials have indicated a suitability for commercial exploitation[332 ]. The seeds contain about 26% oil with a bitterness in the cake, making it unfit for edible purposes[332 ]. The wood is white and soft, and undifferentiated between sap and heart[332 ]. It is not durable[332 ]. It is used for carving spoons, bowls and other household utensils, and as a timber for beams and rafters in buildings[332 ]. At one time it was commonly used in Ghana for making Asante stools, and still occasionally is[332 ]. It has been found very suitable in match-manufacture for the inner and outer boxes and for match-splints, and is recommended for these purposes[332 ]. It burns well and is said to be superior to Gmelina arborea[332 ].

Cultivation details

Industrial Crop: Fiber  Industrial Crop: Hydrocarbon  Management: Standard  Regional Crop

A tree of the moist tropics. The plant is amenable to cultivation in forest plantations[332 ]. Though the quality of the rubber is comparably good with that of Hevea rubber, this species can in no way compete in yield and therefore economically except in time of dire necessity[332 ].

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Propagation

Seed

Other Names

If available other names are mentioned here

Damba, Debo, Ire rubber, Ire, Mutondo, Ndamba, Ngonga, Pohon karet sutra, Sekelay, Yamoa

Found In

Countries where the plant has been found are listed here if the information is available

Africa, Asia, Cameroon, Central Africa, Central African Republic, CAR, China, Congo, East Africa, Gabon, Guinea, India, Indonesia, Liberia, Malaysia, Senegal, Sao Tome and Principe, SE Asia, Sierra Leone, Singapore, Sudan, Tanzania, Uganda, West Africa

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed

Related Plants

 

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Expert comment

Author

(Preuss) Stapf

Botanical References

Links / References

For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.

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