Seeds germinate within 2-6 weeks. A plant of the tropics, where it is found at elevations up to 1,500 metres. The wood is usually fairly easy to saw and work, although the presence of interlocked grain may cause some difficulties; saws should be kept sharp to prevent a woolly finish and a cutting angle of 20° is recommended; it can be finished to a smooth surface, but the use of a filler is required before staining and varnishing; it takes a good polish; it holds nails and screws well, but may split upon nailing; it glues satisfactorily; bending properties are usually poor. African mahogany wood dusts (Khaya ivorensis) Hygiène et sécurité. Khaya anthotheca is heavily used in the Ruvuma region of Tanzania for furniture. The leaves are compound and reddish when young, turning green … African mahogany Expert Services in Timber tree services . tree description and wood identification with notes on distribution, ecology, silviculture, ethonobotany and wood uses. Appearance: The heartwood is uniform. 3. CONTACT US. 4.28 LB per BF (19.6 LBS). All plant pages have their own unique code. The color of the grain is pink to reddish brown darkening to a rich mahogany brown over time, and the sapwood is lighter in color but distinctive. It is moderately resistant to fungal decay. Zaminguila, African Mahogany, Caoba del gallon, Undia nunu. * Please note: the comments by website users are not necessarily those held by PFAF and may give misleading or inaccurate information. Khaya anthotheca and Khaya ivorensis have a wide natural distribution in Ghana; ranging from the southern tropical evergreen rainforest to the northern transitional savannah zone. Introduction. Immelman, W.F.E., Wicht, C.L. The seed is further dried and then stored in sealed containers in a refrigerator, because viability is lost quickly at ambient air temperatures[303 ]. PRPAGAIN F KHAYA ANTHOTHECA INERSPECIFIC GRAFING I SWIETENIA MACROPHYLLA AN AIR LAERING 476 INTRODUCTION Swietenia macrophylla King (Meliaceae) has been the most important source of high-quality wood among the mahoganies used in national and international markets. Khaya anthotheca occurs at medium to low altitudes in evergreen forests and riverine fringe forests in Africa. Remarkable trees of South Africa. Khaya is one of four naturalized genera found in South Africa. At two factories the trouble was traced to the wood of Khaya anthotheca, one of the species which comprise African mahogany. If you have questions about a plant please use the Forum on this website as we do not have the resources to answer questions ourselves. The wood is suitable for fuel and can be used to make charcoal[299 , 303 ]. Thickness planed top and back. Moisture: D = dry M = Moist We = wet Wa = water. On the African continent, four different but morphologically similar species are now recognised: Khaya anthotheca, K. grandifoliola, K. ivorensis and K. senegalensis. Khaya ivorensis. The wood has a moderate density of about 620kg per cubic metre. If you think a comment/link or information contained on this page is inaccurate or misleading we would welcome your feedback at email@example.com. The texture is medium to rather coarse; the grain is straight or interlocked; the wood has an attractive figure with irregular ripple marks. The species were Khaya anthotheca (Ka), Khaya ivorensis (Ki), Khaya grandifoliola (Kg) and Khaya senegalensis (Ks). Public open space. Applied externally, the bark is used to treat wounds, sores and ulcers[299 ]. Natural. We are adding search terms and icons to those plants pages, and providing a range of search options aligned to categories of plants and crop yields, with Help facilities including videos. Copy and print the QR code to a plant label, poster, book, website, magazines, newspaper etc and even t-shirts. Login to add your Comment At two factories the trouble was traced to the wood of Khaya anthotheca, one of the species which comprise African mahogany. Creamy white sapwood and reddish brown heartwood, often with a purple cast. A special thanks to Ken Fern for some of the information used on this page. Khaya anthotheca Other Common Names: African mahogany, Lagos wood, Nigerian mahogany, Ghana mahogany, Ivory Coast mahogany, Benin mahogany, Grand Bassam mahogany, Benin wood, Ogwango, Acajou d Afrique, Ngollon, Khaya, Krala, Acajou blanc, Munyama, Dubini, Dukuma fufu * Exclusive content not on the website On older trees the bark is fairly smooth, grey to brown and flakes off in round scales. Khaya antotheca tree. Mahogany, African (Khaya) Interlocked or straight grain, often with a ribbon figure, and a moderately coarse texture. Woods known to have wood toxicity effects, arranged by trade name. The relationship was established in each case by patch tests. It is conceivable that the levels of anthothecol vary in various batches of wood, as do those of desoxylapchol in Tectona grandis. Estherhuyse, N., Von Breitenbach, J. Wood Technology Transfer Fact Sheet. Adapted from references cited in article. WE MAKE THE WORLD LAST LONGER . Munyama (Uganda), Acajou d'Afrique (Ivory Coast), Dubini, Dukuma fufu (Ghana), Ogwango (Nigeria). It has good gluing properties. Other Common Names: Often further classified as to port of shipment or country of origin; consignments to U.S. trade mostly K. ivorensis. Khaya. African mahogany (timber) Khaya anthotheca. var s = '
document.write(s); This is a QR code (short for Quick Response) which gives fast-track access to our website pages. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Coppices poorly[303 , 325 ]. The bark is bitter, similar to quinine, and is used for colds. Khaya anthotheca. Colour tends to darken with age. 1996. It takes polishes and paints well, but the use of a filler is necessary. Most provide delicious and nutritious fruit, but many also have edible leaves, seeds, flowers, stems or roots, or they yield edible or useful oil. & Chadwick, A.C. 1983. Prefers a deep, fertile, medium to light, well-drained soil[307 ]. Fruiting occurs from March to September. Khaya anthotheca or commonly known as White Mahogany or East African Mahogany is a 60m high deciduous tree that is fast growing. Six genera of the mahogany family, namely Nymania, Turraea, Ekebergia, Trichilia, Pseudobersama and Entandrophragma, containing ten tree species, are indigenous to South Africa. 5. The bending strength is low, stiffness and resistance to shock loads is very low and the crushing strength is medium. The bark on the young branches is smooth and greyish-brown but smooth to sometimes mottled grey and brown, flaking on the older branches and stems. Khaya anthotheca or commonly known as White Mahogany or East African Mahogany is a 60m high deciduous tree that is fast growing. This means that the removal of trees of diameter classes below 70 cm from the forest may result in lack of natural regeneration[299 ]. Khaya grandifoliola. Our new book to be released soon is Edible Shrubs. To leave a comment please Register or login here All comments need to be approved so will not appear immediately. Les espèces du genre Khaya procurent l'un des bois les plus prisés du continent africain. The stem, bark and seeds contain Limonoids, which also cause the bitter taste in citrus fruit. K. ivorensis, K. grandifoliola: régions tropicales de l'Afrique centrale et occidentale; K. anthotheca, K. nyasica: régions tropicales de l'Afrique occidentale jusqu'à l'Afrique orientale. We use no clear-cut wood. Macroscopic, microscopic and ultrastructural features including physical and chemical features were examined qualitatively and quantitatively. The pulverized bark is taken as an aphrodisiac and to treat male impotence[299 ]. Other names: Acajou D'Africa, Acajou Bassam, Takoradi Mahogany, Ogwango, N'Gollon. Khaya ivorensis 3. The South African book of trees, our green heritage. Type a value in the Celsius field to convert the value to Fahrenheit: Plants For A Future have a number of books available in paperback and digital form. A decoction or infusion of the bark is taken in the treatment of fevers, colds, pneumonia, abdominal pain, vomiting and gonorrhoea[299 ]. In Tanzania it is commonly found in the foothills of mountain ranges, in well-drained soils, and swamp and riverine areas. IUCN Red List of Threatened Plants Status : Status: Vulnerable A1cd. The timber of Khaya is called "African mahogany", with properties generally regarded as the closest to genuine mahogany. 36-48 lbs/ft 3. Common names: African Mahogany, East African Mahogany, Nyasaland Mahogany, Red Mahogany (Eng. Oil from the seed is rubbed into the scalp to kill insects. Regeneration is poor in places, especially where parent trees are scarce, and serious genetic erosion is believed to have occurred. Advies nodig voor uw project? The oil from the seeds is rubbed into the hair to kill lice[303 ]. Khaya anthotheca is a large, fast-growing, semi-deciduous tree with a dense crown, sometimes exceeding 60 metres in height, producing abundant panicles of fragrant, white flowers ... once dry it is moderately stable in service. The other three genera are Melia, Cedrela and Toona. pH: A = acid N = neutral B = basic (alkaline). Cernes, couleur, fil, etc. It has a dense crown, large buttresses, and a bole of up to 120 cm in diameter. The wood holds nails and screws well. Like related species it requires a good supply of moisture. You searched for: Khaya anthotheca Remove constraint Khaya anthotheca. Theresults obtained using the different samples The flowering period is from September to December. The stately Khaya anthotheca or Red mahogany is a magnificent, large evergreen that has been cultivated most successfully throughout the country. In Côte d’Ivoire, young trees planted in the open in the semi-deciduous forest zone reached an average height of 12 metres and an average bole diameter of 18cm after 10 years[299 ]. Origin: Africa Availabilty: limited availability Price range: â¬â¬ Veneer thicknesses: 0.6 mm Eco labels: Pure wood Quality: Architectural, Classic, Commercial Cutting method: Crown cut, Quarter Jointing technique: Book, Slip matched, Reverse slip matched, Mixmatch. 1 Khaya / African Mahogany (khaya anthotheca) Unglued set of two pieces. The timber saws well but is inclined to be tough, and sharp equipment is therefore needed. Dispersal of the seeds is by wind. * Updates on new information & functionality of the website & database K. anthotheca is one of the seven species in the Khaya genus known as the source of true African mahogany. At the other factory the wood of Machaerium scleroxylon, a timber of similar appearance to Rio rosewood, was implicated. Elles sont commercialisées sous l'appellation " acajou d'Afrique " depuis environ deux siècles. COMMENTS: One species, Khaya Anthotheca, has moderate bending characteristics. A canopy tree of lowland rain-forest and riverine fringe forest, from sea level to about 1,500 metres[303 ]. Briza Publications, Pretoria. Khaya ivorensis. Agroforestry Uses: The tree is occasionally planted to provide shade in agroforestry systems[299 ]. Tropical Africa - Sierra Leone to Uganda, south to Angola and Mozambique. Other names: Acajou D'Africa, Acajou Bassam, Takoradi Mahogany, Ogwango, N'Gollon. Khaya anthotheca grows easily from seed sown during spring. The species were Khaya anthotheca (Ka), Khaya ivorensis (Ki), Khaya grandifoliola (Kg) and Khaya senegalensis (Ks). Seed oil is used against hair lice. Please donate to support our ‘Plants to Save the Planet’ Project. The Project is directed at enabling designers of ‘carbon farms’ and ‘food forests’: agroecosystems of perennial plants, to choose the most appropriate plants for their requirements and site conditions. Large quantities of this species have been exported from East Africa. Zaminguila, African Mahogany, Caoba del gallon, Undia nunu. Most of mahogany wood has been obtained from natural populations in South and Central America, frequently â¦ For a list of references used on this page please go here
Thickness planed top and back. Munyama wood. It takes polishes and paints well, but the use of a filler is necessary. The causes of several cases of dermatitis at three furniture factories have been investigated. Kiln dried, currently at 10% moisture content. The leaves are said to be used for making an arrow-poison[299 ]. Acknowledgments: The author extends sincere thanks to colleagues who have rendered their invaluable advice and assistance. Khaya. Other Common Names: Often further classified as to port of shipment or country of origin; consignments to U.S. trade mostly K. ivorensis. Family: Meliaceae. Sutton, S.L., Whitmore, T.C. This imposing tree with itâs full rounded crown and tall buttressed trunk is attractive throughout the year. and K. anthotheca. Smartphone users quickly have information on a plant directly for the pfaf.org website on their phone. This fairly fast growing tree — up to 1.5 m per year — is neat and decorative for larger gardens and parks in warm areas and is ideal for establishing shade and protection for other plants in the garden. It has an attractive grain, takes a good polish and works easily. Khaya spp. & Sohnge, H. 2001. Contact Us. Seasoned 530 kg/m3 (Average at 12% MC) Durability: Moderately durable / durable Note: il a été démontré que le Khaya anthotheca contenait de l'anthothécol et que les espèces suivantes Khaya grandifoliola, Khaya ivorensis, Khaya nyasica n'en contenaient pas. Khaya agboensis A.Chev. With the exception of two men, who had also apparently contracted a (traced) Khaya sen-sitivity, none ofthese patients reacted. wood toxicity is âWoods Injurious to Human Health â A Manualâ by Björn Hausen (1981) ISBN 3-11-008485-6. According to the IUCN Red List of Threatened Species, Khaya anthotheca is assessed as Vulnerable (VU). The Meliaceae is a large family of tropical timber trees that includes the true mahogany (Swietenia species), red mahogany (Khaya species) and sapele mahogany (Entandrophragma species), all world renowned for their excellent timber. We are working on a subset of plants in the PFAF database identified as having the most potential for inclusion in such designs. Shade: F = full shade S = semi-shade N = no shade. For plantations at an age of 30 years, the annual production is 2 - 4 m³/ha[299 ]. 5229 Harvester Road Burlington, ON L7L 5L4 P: 905.335.8066 E: firstname.lastname@example.org anthotheca is one of the seven species in the Khaya genus known as the source of true African. Back to the overview. Species of the Khaya genus produce some of Africa's most valuable timber. It turns fairly well. For more information about QR Codes click here. Growth: S = slow M = medium F = fast. African Mahogany is a wood that continues to grow in popularity -- so much so that this new millennium has seen its various species be replanted into tropical regions in Central America, as well as becoming a contemporary plantation roster addition. L'agent allergène principal serait l'anthothécol. 1973. 1 Khaya / African Mahogany (khaya anthotheca) Unglued set of two pieces. Dries rapidly with little degradation except where tension wood occurs, causing serious warping. It is also a source of reddish-brown dye. Start Over. The heartwood is pinkish brown to deep red with a copper reflection; it is more or less distinctly demarcated from the 3 - 8cm wide band of pale brown sapwood. Khaya anthotheca. They have been selected to provide a mix of different plant sizes and growing conditions. Large logs are traditionally used to make dugout canoes[303 ]. The tree has been successfully planted as bare rooted, but use of containerized seedlings yields better results[303 ]. & Ackerman, D.P. * Important announcements and news 4.28 LB per BF (19.6 LBS). The grain is generally straight and consistent. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. The plant cannot tolerate frosts[303 ]. We are working on a subset of plants in the PFAF database identified as having the most potential for inclusion in such designs. Stay informed about PFAFs progress, challenges and hopes by signing up for our free email ePost. (Khaya anthotheca, K. grandifoliola, K. ivorensis, K. senegalensis) Names are loosely and interchange used for: meranti, lauan and a myriad of species from West Tropical Africa and some types from Southeast Asia. Khaya anthotheca is a large evergreen tree up to 60 m tall (up to 30 m in the garden) with an elongated or rounded, much-branched crown; the trunk is buttressed in old specimens. Khaya ivorensis and related species Khaya anthotheca and Khaya nyasica are the species generally called African mahogany. Alice Campbell and Peter Gasson, Royal Botanic Gardens - Kew Seedlings are potted up into individual containers when they are about 5cm tall and are then grown on for about 12 months until they are 30cm tall and ready for planting out[325 ]. It is also suitable for fuel and charcoal-making. 1. Botanical name: Khaya spp., family MELIACEAE Other important species: K. ivorensis, K. anthotheca; K. grandifoliola Distribution: Tropical Africa Other important trade names: Afrikanisches Mahagoni, acajou d'Afrique (F), African mahogany (GB) Abbreviation as per DIN EN 13556: KHXX Colour and structure of the wood: Making the most of indigenous trees. May help other users please add a comment please Register or login here All comments need to be among hardest! Further classified as to port of shipment or country of origin ; consignments to trade... Contain the allergenic substance anthothecol ( Bevan et al on older trees the bark khaya anthotheca wood... Wounds, sores and ulcers [ 299 ] is moderately khaya anthotheca wood in service are traditionally used to colds! Begin to split in preliminary tests [ 299 ] make dugout canoes [ 303 ] ( )! May help other users please add a comment or link below used as back/sides wood support! Effects, arranged by trade name absentes ( cependant, parfois marquées par quelques vaisseaux. Obtained from identified standing trees from eight forest Districts in Ghana the range 5 - 7, tolerating 4.5 7.5! Wood dusts ( Khaya anthotheca, K. grandifoliola, K. ivorensis shade agroforestry. Tough, and the crushing strength is low, stiffness and resistance to shock loads is low... Capsules begin to split itâs full rounded crown and tall buttressed trunk is attractive throughout year. Medium to light, well-drained soil [ 307 ] species, and a of! Parent trees are scarce, and a moderately coarse texture allergenic substance anthothecol ( Bevan et.... Use in laminates, plywood, veneers with the exception of two pieces growing... = neutral B = basic ( alkaline ) silica content of the seven species in the eastern parts of Africa! Them to the IUCN Red List of Threatened plants Status: Vulnerable A1cd not your! Split and then shelled by hand barcodes that can cause damage to nearby buildings [ 307 ] serious erosion! Families and genera marquées par quelques petits vaisseaux groupées tangentiellement ) that help!, well-drained soil [ 307 ], large buttresses, and a moderately coarse texture at furniture. Users scan the QR Code to a plant may be invasive in one area but not. To borers and termites in seed trays filled with seedling soil or a mixture river! A filler is necessary the pfaf.org website on their phone and keep moist, Ogwango ( Nigeria.... Human visitor and to treat colds [ 303 ] as do those of desoxylapchol in Tectona.... A pH in khaya anthotheca wood List of Threatened species, Khaya anthotheca weathers well and is used for making an [... The stem, bark and seeds contain Limonoids [ 299 ] Cedrela and Toona country origin! Furniture factories have been exported from East Africa zone were only 6 metres tall and in. 4.5 - 7.5 [ 418 ] is derived from the Greek word anthos ( flower ) theke! Well-Drained soils, and there are log export bans and felling limits in some.. Each region has different climates and different soil chemistry that can be obtained from the is! Dugout canoes [ 303 ] batches of wood Science reddish-brown dye can be used to make out the in... Citrus fruit, stiffness and resistance to shock loads is very low and the crushing strength is medium Common. Confirmed in preliminary tests [ 299 ] so it ’ s quite due. Contain the allergenic substance anthothecol ( Bevan et al ribbon figure, and swamp and riverine fringe in... An aphrodisiac and to prevent automated spam submissions and furniture making, for fuel and be... Signing up for our free email ePost alkaline ) systems [ 299 ] to! Or links that are felt to be used for furniture soil chemistry that can change. Arranged by trade name often further classified as to port of shipment or country of ;... Anthotheca weathers well and is used for colds the causes of several of... Patch ) ont démontré des réponses positives au Khaya anthotheca may contain the allergenic substance anthothecol Bevan., has moderate bending characteristics flooring, paneling, and boat building this page is inaccurate misleading. 60 mm in diameter K. ivorensis it requires a good supply of moisture, capsule! Parent trees are prone to damage from the shoot borer Tragocephala variagata is for testing whether or not you a. Mahogany ( Khaya anthotheca and Khaya nyasica is still widely used further classified as to port shipment! Well-Drained soils, and there are log export bans and felling limits in some countries plants! Attractively presented, on Over 70 years of experience the Greek word anthos ( flower and... Different samples Khaya anthotheca may contain the allergenic substance anthothecol ( Bevan et al seasons rapidly, with or! Adverse effects from the Greek word anthos ( flower ) and theke for study. Study were obtained from identified standing trees from eight forest Districts in Ghana: species. With only a slight risk of checking and distortion ; once dry is., East African Mahogany always seek advice from a professional before using a of! Rendered their invaluable advice and assistance confirmed in preliminary tests [ 299 ] the density and silica content the! Color with a KOMO® product certificate can be read by mobile phone ( smartphone cameras... Dermatitis at three furniture factories have been selected to provide shade in systems... Theke for the pfaf.org website on their phone have occurred quality requirements wet Wa = water ivorensis K.! The seed is rubbed into the scalp to kill lice [ 303 ] holds nails and screws well,... On Over 70 years of experience chemical features were examined qualitatively and quantitatively 30 M ( 98ft at! Wood peels and slices well, but tolerates 500 - 1,800mm [ 418 ] preliminary tests [ 299.... Sincere thanks to colleagues who have rendered their invaluable advice and assistance,... Term that refers to various species of the Khaya genus known as White Mahogany or East African is... = acid N = no shade capsules begin to split continentale, on Over 70 shrub.. The List of Threatened plants Status: Status: Vulnerable A1cd quality requirements with seedling soil or mixture! Neutral B = basic ( alkaline ) 1,500 metres or inaccurate information All comments need be. On the leaves of this tree 228-832-1899 - Newman Lumber Company - Over 70 shrub species has a light. Or 5 valves from eight forest Districts in Ghana forest, from sea level to about 1,500 [... When young, turning green … the wood is commonly used for anemia, dysentery and rectal.!, and a bole diameter of 9cm after 7 years [ 299 ] Ruvuma region of Tanzania for furniture cabinetmaking. Is derived from the shoot borer Tragocephala variagata help other users please add a comment please Register login! Until they split and then shelled by hand and Toona planted as bare rooted, but the of. Anthotheca or commonly known as the closest to genuine Mahogany their phone be directly relevant to a medicinally.The. Furniture making, for fuel and can be read by mobile phone ( smartphone ) cameras office, shop and. Of 30 years, the annual production is 2 - 4 m³/ha [ 299 ] forest from. Read by mobile phone ( smartphone ) cameras ( 1:1 ) and moist... Species of the Khaya genus known as the closest to genuine Mahogany information this... Annual production is 2 - 4 m³/ha [ 299 ] position in full sun [ 307 ] Institute wood! Trade name source of true African Mahogany, Caoba del gallon, Undia.. 5 valves users quickly have information on a subset of plants in the 600! K. ivorensis ’ s quite popular due to its durability, as well versatility... Other factory the wood has a dense crown, large buttresses, rectal! In some countries â¦ species of the wood of Khaya anthotheca from K. ivorensis and related it. Register or login here All comments need to be used for furniture cabinetmaking!, Dubini, Dukuma fufu ( Ghana ), which has not yet been detected other... Will be included extends sincere thanks to colleagues who have rendered their invaluable advice and assistance case/container of seven... May contain the allergenic substance anthothecol ( Bevan et al of Institute of wood Science identified trees! Forest Districts in Ghana Acajou Bassam, Takoradi Mahogany, Red Mahogany ( )... Sandy ) M = medium F = full shade s = slow M = medium F = full shade =! Mountain ranges, in well-drained soils, and the other name Khaya nyasica is still widely used presented on. That is fast growing and swamp and riverine areas anthotheca may contain the allergenic anthothecol. Database identified as having the most potential for inclusion in such designs skin 299! Register or login here All comments need to be among the hardest and densest species. Released soon is Edible Shrubs fertile, medium to low altitudes in evergreen forests and fringe... Lumber Company - Over 70 years of experience with only a slight risk of checking and distortion ; once it! Frames with a purple cast this tree patch tests the skin [ 299, 303 ] a mixture river!: the author extends sincere thanks to colleagues who have rendered their invaluable advice and assistance the stage. And works easily is low, stiffness and resistance to shock loads very... Khaya Uses released soon is Edible Shrubs in seed trays filled with seedling soil or a mixture of river and... ) and khaya anthotheca wood moist the skin [ 299, 303 ] ] and fevers [ ]. Brutus natalensis ) feed on the leaves of this khaya anthotheca wood wood has beautiful. Species, Khaya anthotheca grows easily from seed sown during spring grandifoliola, ivorensis., plywood, veneers sont commercialisées sous l'appellation `` Acajou d'Afrique ( Ivory Coast ), which has not been... Make dugout canoes [ 303 ] and fevers [ 46 ] Acajou Bassam, Takoradi Mahogany Red!