''Klainedoxa gabonensis'' is a large tropical African tree of the family

Irvingiaceae Irvingiaceae is a family of flowering plants, consisting of 13 species in the 3 genera ''Allantospermum'', ''Irvingia'' and ''Klainedoxa''. '' Desbordesia'', formerly accepted is now included in ''Irvingia''. The family is named for the Scottish ...

growing to 40m in height. Its straight trunk is

buttressed A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient buildings, as a means of providing support to act against the lateral (si ...

and up to 25m long, while its spreading evergreen

crown A crown is a traditional form of head adornment, or hat, worn by monarchs as a symbol of their power and dignity. A crown is often, by extension, a symbol of the monarch's government or items endorsed by it. The word itself is used, partic ...

makes it one of the largest trees of the rainforest. It is found from

Senegal Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 � ...

Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...

Cameroons British Cameroon or the British Cameroons was a British Empire, British League of Nations mandate, mandate territory in British West Africa, formed of the Northern Cameroons and Southern Cameroons. Today, the Northern Cameroons forms parts of th ...

Ivory Coast Ivory Coast, also known as Côte d'Ivoire, officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital is Yamoussoukro, in the centre of the country, while its largest city and economic centre is ...

Democratic Republic of the Congo The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...

Uganda }), is a landlocked country in East Africa East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territor ...

and

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

, growing as far south as

Angola , national_anthem = " Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordina ...

and

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...

. The timber is dense (0.91-1.15) and extremely hard so that cutting and local usage is very limited, but trees are still exploited for firewood. Sapwood is thin, light brown in colour, and liable to insect attack. Heartwood is reddish to golden brown with wide dark veining, and zigzag markings. Poles are resistant to rotting and are used in hut construction and to make spring traps. This tree is usually left standing when forest is cleared for agriculture and forms a prominent part of the resultant landscape. Round about October the tree produces a spectacular flush of bright red new leaves, flowering taking place at the same time and adding a purple hue. Slashed bark oozes watery, clear or amber-coloured sap with a musky smell. The cut surface is initially white, but turns purplish after oxidising. Young leaves have long linear

stipule In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many speci ...

s which are soon shed, and are absent on some trees.

Medicinal

The bark has analgesic qualities. When ground to a fine powder and mixed with clay and water it is rubbed onto rheumatic joints. People afflicted with lumbago have the affected parts treated with bark smoke. Pulped bark is made into an ointment with palm-oil and applied to rheumatic parts, and a bark

decoction Decoction is a method of extraction by boiling herbal or plant material (which may include stems, roots, bark and rhizomes) to dissolve the chemicals of the material. It is the most common preparation method in various herbal-medicine systems. De ...

is added to baths and lotions for buccal infections,

smallpox Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) c ...

and

chickenpox Chickenpox, also known as varicella, is a highly contagious disease caused by the initial infection with varicella zoster virus (VZV). The disease results in a characteristic skin rash that forms small, itchy blisters, which eventually scab ...

, and taken orally for

venereal disease Sexually transmitted infections (STIs), also referred to as sexually transmitted diseases (STDs) and the older term venereal diseases, are infections that are spread by sexual activity, especially vaginal intercourse, anal sex, and oral se ...

, sterility and

impotence Erectile dysfunction (ED), also called impotence, is the type of sexual dysfunction in which the penis fails to become or stay erect during sexual activity. It is the most common sexual problem in men.Cunningham GR, Rosen RC. Overview of male ...

Tannin Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' (from Anglo-Norman ''tanner'', ...

is present in both bark and root.

Alkaloid Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar ...

s are present in the leaves. Young leaves with stipules are eaten with

palm kernel The palm kernel is the edible seed of the oil palm fruit. The fruit yields two distinct oils: palm oil derived from the outer parts of the fruit, and palm kernel oil derived from the kernel. The pulp left after oil is rendered from the kernel is ...

s as an aphrodisiac. They are also eaten with vegetables, oil, salt, fish or meat to ease stomach ache, and are used as a topical

analgesic An analgesic drug, also called simply an analgesic (American English), analgaesic (British English), pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain (that is, analgesia or pain management). It ...

References

{{Taxonbar, from=Q10546004 Irvingiaceae