"African Ebony" redirects here. This is also used for Gaboon Ebony (D. dendro).

Diospyros mespiliformis, the Jackalberry (also known as African Ebony and by its Afrikaans

Afrikaans

Afrikaans is a West Germanic language, spoken natively in South Africa and Namibia. It is a daughter language of Dutch, originating in its 17th century dialects, collectively referred to as Cape Dutch .Afrikaans is a daughter language of Dutch; see , , , , , .Afrikaans was historically called Cape...

 name jakkalsbessie), is a large deciduous

Deciduous

Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 found mostly in the savanna

Savanna

A savanna, or savannah, is a grassland ecosystem characterized by the trees being sufficiently small or widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of C4 grasses.Some...

s of Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. Jackals are fond of the fruits, hence the common names.

Mature trees have dark gray fissured bark. An adult tree reaches an average of 4 to 6 metres in height, though occasionally trees reach 25 metres. The foliage is dense and dark green with elliptical leaves, which are often eaten by grazing animals such as elephants and buffalo

African Buffalo

The African buffalo, affalo, nyati, Mbogo or Cape buffalo is a large African bovine. It is not closely related to the slightly larger wild Asian water buffalo, but its ancestry remains unclear...

. The tree flowers in the rainy season; the flowers are imperfect, with genders on separate trees, and are cream-colored. The female tree bears fruit in the dry season and these are eaten by many wild animals; they are oval-shaped, yellow and about 20-30mm in diameter. When the fruits ripen they turn purple. The tree, like Marula, is favoured by the Bantu, who will leave them growing in their cultivated lands in order to harvest the fruit.

Growth

Jakkalsbessie trees often grow on termite mounds, preferring deep alluvial soil

Alluvium

Alluvium is loose, unconsolidated soil or sediments, eroded, deposited, and reshaped by water in some form in a non-marine setting. Alluvium is typically made up of a variety of materials, including fine particles of silt and clay and larger particles of sand and gravel...

s, but not uncommon on the savanna on sandy soils. It grows in mutualism with termite

Termite

Termites are a group of eusocial insects that, until recently, were classified at the taxonomic rank of order Isoptera , but are now accepted as the epifamily Termitoidae, of the cockroach order Blattodea...

s, which aerate the soil for the tree but do not eat the living wood; in turn, the tree provides protection for the termites. Jakkalsbessie is the largest species in this genus in Southern Africa. This species is widespread, north up to the Sahara. It is a member of the family Ebenaceae

Ebenaceae

The Ebenaceae are a family of flowering plants, which includes ebony and persimmon. The family has approximately 500 species of trees and shrubs in two genera, Diospyros and Euclea. The species are mostly evergreen and native to the tropics and subtropics, with a few deciduous species native to...

, together with trees such as true ebony

Ebony

Ebony is a dense black wood, most commonly yielded by several species in the genus Diospyros, but ebony may also refer to other heavy, black woods from unrelated species. Ebony is dense enough to sink in water. Its fine texture, and very smooth finish when polished, make it valuable as an...

 (Diospyros ebenum) and the edible persimmon

Persimmon

A persimmon is the edible fruit of a number of species of trees in the genus Diospyros in the ebony wood family . The word Diospyros means "the fire of Zeus" in ancient Greek. As a tree, it is a perennial plant...

, (Diospyros kaki).

Fruit

A traditional food plant in Africa, this fruit has potential to improve nutrition, boost food security, foster rural development and support sustainable landcare.

The fruit is edible for humans; its flavor has been described as lemon

Lemon

The lemon is both a small evergreen tree native to Asia, and the tree's ellipsoidal yellow fruit. The fruit is used for culinary and non-culinary purposes throughout the world – primarily for its juice, though the pulp and rind are also used, mainly in cooking and baking...

-like, with a chalky consistency. They are sometimes preserved, can be dried and ground into a flour

Flour

Flour is a powder which is made by grinding cereal grains, other seeds or roots . It is the main ingredient of bread, which is a staple food for many cultures, making the availability of adequate supplies of flour a major economic and political issue at various times throughout history...

, and are often used for brewing beer

Beer

Beer is the world's most widely consumed andprobably oldest alcoholic beverage; it is the third most popular drink overall, after water and tea. It is produced by the brewing and fermentation of sugars, mainly derived from malted cereal grains, most commonly malted barley and malted wheat...

 and brandy

Brandy

Brandy is a spirit produced by distilling wine. Brandy generally contains 35%–60% alcohol by volume and is typically taken as an after-dinner drink...

.

Medicinal

The leaves, bark and roots of the tree contain tannin

Tannin

A tannin is an astringent, bitter plant polyphenolic compound that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids.The term tannin refers to the use of...

, which can be used as a styptic to staunch bleeding. The roots are consumed to purge parasites

Parasitism

Parasitism is a type of symbiotic relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host. Traditionally parasite referred to organisms with lifestages that needed more than one host . These are now called macroparasites...

 and is thought to be a remedy for leprosy

Leprosy

Leprosy or Hansen's disease is a chronic disease caused by the bacteria Mycobacterium leprae and Mycobacterium lepromatosis. Named after physician Gerhard Armauer Hansen, leprosy is primarily a granulomatous disease of the peripheral nerves and mucosa of the upper respiratory tract; skin lesions...

.

Wood

The wood of the jakkalsbessie is almost impervious to termite damage. The heart wood is fine-grained and strong, and is often used for making wood floors and furniture. Trunks of the tree are used for canoes. The wood ranges in color from light reddish-brown to a very dark brown.

External links

• Blue Planet Biomes article on the Jackalberry
• Diospyros mespiliformis in U. Brunken, M. Schmidt, S. Dressler, T. Janssen, A. Thombiano & G. Zizka: West African plants - A Photo Guide. Forschungsinstitut Senckenberg, Frankfurt/Main 2008.