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Myrianthus arboreus - P.Beauv.

Common Name Giant yellow mulberry, Monkeyfruit
Family Urticaceae
USDA hardiness 10-12
Known Hazards None known
Habitats Secondary vegetation; more or less open places in rain-forests; damp places in forest; forest gallery and clearings; stream or lagoon and lake sides; flooded ground; sometimes in villages[328 ]. At elevations from 700 - 1,200 metres in Tanzania[398 ].
Range Tropical Africa - Guinea to Central African Republic and Uganda, south to Angola, DR Congo and Tanzania.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Tender Moist Soil Wet Soil Full sun
Myrianthus arboreus Giant yellow mulberry, Monkeyfruit


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Myrianthus arboreus Giant yellow mulberry, Monkeyfruit
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Summary

Myrianthus arboreus or commonly known as Giant Yellow Mulberry or Monkey Fruit is a usually 20 m high shrub or tree with stilt roots, short bole, and spreading branches. It is a source of food and medicine in tropical Africa. The leaves are compound, leathery, and whitish underneath. The young leaves are cooked while the fruits can be eaten raw. The heart-shaped, yellow, large fruit contains 5 - 15 seeds which can also be cooked. The bark is used medicinally to relieve chest-related problems and sore throat. The leaves are used for heart problems, pregnancy complications, dysmenorrhea, hernia, dysentery, diarrhea, and vomiting. Sap obtained from the aerial roots is drunk to treat diarrhea and cough. The wood is moderately light, soft, and fibrous.


Physical Characteristics

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Myrianthus arboreus is an evergreen Tree growing to 15 m (49ft) by 10 m (32ft) at a medium rate.
It is hardy to zone (UK) 10. The plant is not self-fertile.
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 or wet soil.

Synonyms

No synonyms are recorded for this name.

Habitats

Edible Uses

Young leaves - cooked[332 ]. They are commonly eaten in a vegetable-soup - the soup being so highly considered by the local people as to evoke the saying that 'one will kill his child for the sake of ibishere soup'[332 ]. Fruit - raw[332 , 398 ]. The fruit contains 5 - 15 seeds, each surrounded by a sweet or acidulous pulp which is generally well-liked and commonly eaten[301 , 332 , 398 ]. The fruit is heart-shaped and may attain 10 - 15 cm in diameter, it is very hard and green when unripe, but turns yellow and soft when mature[332 ]. Seed - cooked[332 ]. The seed contains about 45% oil, of which linoleic comprises about 93% of the whole[332 ]. The kernel is about 10mm long by 5 - 7mm wide, it is enclosed in a woody pericarp amounting to 60 - 65% in weight of the whole[332 ]. The seed also contains about 19% sugars and 30% proteins[332 ]. The protein is unusually rich in cystine, which is of potential value to a population suffering from a chronic deficiency of sulphur-bearing amino acids[332 ].

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



The bark is said to be antidysenteric, cholagogue and taenifuge[332 ]. It is used in the treatment of chest-complaints[332 ]. Scrapings of the bark, cooked in palm-oil, are taken to relieve sore-throat[332 ]. The leaves are chopped up small are eaten raw with salt for treating heart-troubles; pregnancy complications; dysmenorrhoea; and incipient hernia[332 ]. An extract of the leaves, combined with Alchornea spp., is used in the treatment of dysentery, and the leafy shoots are chewed for this same purpose[332 ]. The liquid in which young leaf-flushes and a peeled green banana have been boiled is a medicine taken little and often to stop diarrhoea and vomiting[299 , 332 ]. The leaves are an ingredient of a febrifuge given to small children[299 , 332 ]. The leaf or leaf-petiole is beaten into a plaster for application to boils[332 ]. Sap from the young leaves, or the terminal buds, is applied topically to toothache; applied to the chest to treat bronchitis; or is used as a throat-paint for laryngitis or sore throat[332 ]. It is used as an analgesic for muscular pains, and is put into enemas for haemorrhoids[332 ]. When combined with the leaves of Holarrhena floribunda and a chilli, it is used in an enema to relieve pain in the back and loins[332 ]. The aerial roots yield an abundant amount of sap when cut up. This is drunk as an anti-tussive and anti-diarrhoeic, and as a remedy for haematuria and blennorrhoea[332 ]. A vapour-bath made from the diced roots, combined with maleguetta pepper, is used in the treatment of headache[332 ]. The whole fruit is boiled in sap from the tree or in palm wine or other fruit ferments to take as an emeto-purgative[332 ]. It is preferred to the less active bark or leaves which may also be used for the same purpose[332 ]. Several pentacyclic triterpenoids have been isolated from the wood and the roots[299 ]. Euscaphic acid, myrianthic acid, tormentic acid, ursolicacid and a derivative of ursenoic acid have been isolated from stems[299 ]. Myrianthinic acid was isolated from the bark[299 ]. The wood also contains myrianthiphyllin, a lignan cinnamate[299 ]. Bark extracts of Myrianthus arboreus have shown antiplasmodial, antimycobacterial and antitrypanosomal effects in vitro, which supports some of its uses in traditional medicine, e.g. To treat malaria[299 ].

Other Uses

Agroforestry Uses: The leaves are enormous, to 70 cm across, digitately compound of 7 - 9 leaflets, the largest attaining 50 cm length by 25 cm breadth. When they fall and lie on the ground they form a good groundcover retaining moisture and rotting down to form a thick humus[332 ]. Other Uses Lye can be extracted from the ash of the wood and this is used in making soap[299 , 303 , 332 ]. Extracts of the plant have been shown to deter the termite Reticulitermes lucifugus[299 , 303 ]. The yellowish-white wood is moderately light, soft, fibrous and difficult to work[332 , 364 ]. It is used to make domestic utensils[364 ]. Though perishable it is also used for fencing[332 ]. The wood is used for fuel[332 , 398 ].

Cultivation details

A plant of moderate elevations in the moist tropics, being found from 700 - 1,200 metres. It is found in areas where the mean annual temperature is in the range 16 - 26°c and the mean annual rainfall is 1,400 - 4,000mm[303 ]. Prefers a damp soil[303 ]. Young plants can begin producing fruit when 4 - 5 years old from seed[398 ]. The plant has mycorrhizal associations, thus helping to enrich the soil with nitrogen[299 , 303 ]. A dioecious species, both male and female forms need to be grown if fruit and seed are required.[299 , 303 ]

Propagation

Seed - best sown as soon as it is ripe[398 ]. About 40% of the seed germinates within 1 month, but this rate can be improved by soaking the seed for 12 hours in warm water prior to sowing[299 ]. The seed also germinates better if it has passed through the gut of an animal[303 ]. Bud grafting and stem cuttings have been successfully used for propagation in experiments[299 ].

Other Names

If available other names are mentioned here

Giant yellow mulberry, Monkeyfruit, Anyankoma, Bohuma, Bokomu, Bongunguna, Bouma, Ciwele, Engakom, Fofoi, Isakama, Konde, Liwisa, Mdewerere, Mfusa, Mfutsa, Mhunsa, Mkonde, Mkwayaga, Ndigo, Ongo, Ujuju, Umufe, Unhana, bush pineapple

Found In

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

South Sudan; Angola; Benin; Burundi; Cameroon; Central African Republic; Congo; Congo, The Democratic Republic of the; Côte d'Ivoire; Equatorial Guinea; Ethiopia; Gabon; Ghana; Guinea; Liberia; Nigeria; Sierra Leone; Tanzania, United Republic of; Togo; Uganda, Africa, Central Africa, Central African Republic, Congo DR, Congo R, East Africa, Ethiopia, Equatorial-Guinea, Gabon, Guinée, Ivory Coast, Kenya, Liberia, Malawi, Mozambique, Nigeria, Sierra Leone, Southern Sudan, Sudan, Tanzania, Togo, 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.

Conservation Status

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

Related Plants

 

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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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Subject : Myrianthus arboreus  
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