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milicia excelsa wood

Cette fiche est complétée et contrôlée collaborativement par la communauté. Richter et M.J. Dallwitz . Lusanga, Mokongo, Molundu, Mvuli, Tule mufala, etc. structure absent. Vessels in multiples, commonly in short (2–3 vessels) radial rows. Fibres of semli (LR), rokko (NG), lusanga (CD). distinct from heartwood colour. : parenchyma banded (at irregular intervals). Mineral inclusions. Vessels in multiples, commonly in short (2–3 vessels) radial when in contact with water. L'Iroko fait partie des arbres oxalogènes, il stocke le CO2 sous forme de cristaux d’oxalate de calcium. La dernière modification de cette page a été faite le 13 décembre 2019 à 18:47. Fixation et collage Le clouage et le vissage ne posent aucun problème. FSC is an independent, non-governmental, not for profit organization established to promote the responsible management of the world’s forests. Axial parenchyma. The wood is an attractive brown colour, which darkens on exposure and with oiling; the hard, dark heartwood is durable on the ground, works easily, and is heavy, strong, open grained and resistant to termites. ... Wood diffuse porous. Iroko is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years. medium wall thickness. Perforation Common Name (s): Iroko. Density 0.48–0.67–0.8 Home Belgian Woodforum Pourquoi choisir le bois? Comme celles de tous les bois la poussière produite par le sciage ou ponçage peut provoquer des allergies ou aggraver l'asthme, mais certaines molécules contenues dans ce bois peuvent aussi causer des dermatites[2]. Heartwood of iroko Milicia excelsa. Résistance à la compression parallèle aux fibres. Heterocellular rays with square and upright cells restricted to marginal rows, Email this page Thank you for your interest in spreading the word on Woodforum. Elle est originaire d'Afrique subsaharienne notamment : Angola, Bénin, Cameroun, Côte d'Ivoire, Éthiopie, Gabon, Guinée-Bissau, Kenya, Malawi, Mozambique, Nigeria, Ouganda, République centrafricaine, Tanzanie, Zambie et Zimbabwe. This is the common name for the genus Milicia, in which there are two recognized species, which are closely related: Milicia excelsa and Milicia regia. of ethanol extract red, or yellow. Grade: A, B, C, D, A/B, C/D. tangential (natural size). transverse (ca. • Tangemtial section. Jardin des plantes et de la nature à Porto-Novo. Average number of vessels/mm² 1–3(–10). Fibre pits common in both radial and tangential walls, simple to Milicia excelsa grows across the entire width of tropical Africa from the Ivory Coast southward to Angola and eastward to East Africa. Nom: iroko + Format: Fichier D’archive: Système d’exploitation: Windows, Mac, Android, iOS: Licence: Usage Personnel Seulement: Taille: 62.88 MBytes: La structure du bois est assez régulière avec un grain moyennement fin. It is one of the … Fibres non-septate. MORACEAE. Bands fine. tanniniferous tubes present (lacticifers, sporadically). Heartwood of iroko Milicia excelsa. Vessel-ray pits with reduced borders or Un idoko de Wikipédia, l’encyclopédie libre. descriptions, diagnostic descriptions, differences and similarities between Iroko consists of two species (Milicia excelsa [= Chlorophora excelsa] and M. regia [= C. regia]). Helical thickenings absent. La structure du bois est assez régulière avec un grain moyennement fin. Milicia excelsa (Welw.) Water extract not fluorescent; colour of General. Intervessel pits alternate, average diameter Il grisonne alors quelque peu, ce qui lui donne un effet naturel. Crystal-containing ray cells upright and/or square. Laticifers or Cite this publication as: ‘Richter, H.G., and Provenance Iroko ou kambala sont les dénominations commerciales pour deux espèces botaniques: We do not capture any email address. Wood diffuse porous. Properties: Interlocked grain; very resistant to rot and insects.Strong and durable, which makes it a desired option for outdoor use. The interactive key absent. Wood Type: Hardwood. Un article de Wikipédia, l'encyclopédie libre. In English, French, German, Iroko is known to the Igbo people as oji wood. The trade names are Nigerian or African Teak. Country of origin: Cameroon. The sample was collected in a clean plastic bag and transferred to the Department of microbiology laboratory of the Federal University of Technology, Akure, for the experiment. • Macroscopic images. By utilizing the Thermowood process, the natural propensity for iroko wood to expand and contract is minimized. Cet article est une ébauche concernant un taxon de la ieoko Moraceae. iroko nom masculin Grand arbre de la forêt tropicale africaine, dont le bois, brun… Quand l’arbre se décompose les cristaux se dégradent en calcaire. Commercial timbers: descriptions, illustrations, Milicia excelsa (ou Chlorophora excelsa ; synonyme) ou Iroko (nom vernaculaire le plus commun) est une espèce d'arbres de la famille des Moraceae. : Chlorophora excelsa (Welw.) (vertical) 9–12 µm. Average fibre length 590–1320–2030 µm. C’est un bois blond, vendu dans le monde entier comme bois exotique provenant d’ Afrique, au tissage fin et aux veines discrètes. Characteristics. Illustrations. The sawdust from Milicia excelsa wood was obtained at the M. O. Ojuola Sawmill opposite Chicken Republic, Road Block, Akure, Nigeria. cell or chamber one, or more than one. minutely bordered. Milicia excelsa, etc ; Bursaphelenchus; females; morphometry; new species; phylogeny; tail; vulva; wood; Cameroon; Italy; Show all 11 Subjects Abstract: A new species of Bursaphelenchus, extracted from unprocessed logs of Milicia excelsa from Cameroon and arriving in the port of Leghorn, Tuscany, Central Italy, is described. Storied Average number of cells per strand: Benth., Morus excelsa Welw. Fichier:Iroko wood.jpg. Secretory structures. L'ébénisterie apprécie son grain. Cette espèce quasi-menacée est principalement désignée sous le nom d'« iroko » mais est également rencontrée sous les noms suivants: De même, Milicia regia prend aussi ce nom vernaculaire. Syn. Silica not observed. ash. Introduction Appearance: Heartwood often golden to medium brown; white sapwood clearly demarcated from heartwood.Moderately coarse texture. Milicia excelsa — Wikipédia. Ainsi la sacralisation constitue le moyen fondamental de conservation de l'arbre par les populations locales[1]. Trade and Paratracheal selon les recommandations des projets correspondants. N. Sokpon, C. Ouinsavi et N. Azonkponon, « Stratégies de gestion de l'iroko (, https://fr.wikipedia.org/w/index.php?title=Milicia_excelsa&oldid=165380548, Taxobox utilisant une classification non précisée, Catégorie Commons avec lien local identique sur Wikidata, Portail:Alimentation et gastronomie/Articles liés, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. Darkens with age. Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter. Portuguese, and Spanish. Crystals Heartwood extractives leachable local names: odum (GH, CI), abang, bang (CM), amoreira (AO), chamfutu (MZ), Not protected under CITES regulations. Splinter burns to full prismatic crystals in marginal ray cells. Vous pouvez partager vos connaissances en l’améliorant (comment ?) • Transverse section. Growth ring boundaries thinwalled. Elle est originaire d' Afrique subsaharienne notamment : Angola , Bénin , Cameroun , Côte d'Ivoire , Éthiopie , Gabon , Guinée-Bissau , Kenya , Malawi , Mozambique , Nigeria , Ouganda , République centrafricaine , Tanzanie , Zambie et Zimbabwe . Rays composed of two or more cell types (heterocellular). identification, and information retrieval. Colour Dallwitz, M.J. 2000 onwards. Chlorophora excelsa (Welw.) Vessels. H.G. g/cm³. Tree. The wood of Milicia excelsa and the closely related Milicia regia (A.Chev.) Average tangential vessel diameter 145–235–310 µm. Originaire d'Afrique, ce bois est réputé imputrésible s'il n'est pas au contact du sol ou d'une poche d'eau. C.C.Berg are not distinguished in the timber trade, and are traded under the trade name ‘iroko’, or ‘odum’ in Ghana. Home Belgian Woodforum Pourquoi choisir le bois? Au Bénin, aire culturelle du vaudou, l'iroko est un arbre fétiche respecté et craint. Aliform parenchyma of the [ irɔko ] n. m. • 1962; mot d une langue africaine ♦ Arbre d Afrique (moracées). Scientific Name: Milicia excelsa, M. regia (syn. Milicia excelsa (ou Chlorophora excelsa ; synonyme) ou Iroko (nom vernaculaire le plus commun) est une espèce d'arbres de la famille des Moraceae. Botanical Name: Milicia excelsa. Scientific Name: Milicia excelsa / Milicia regia. Heartwood not fluorescent. Milicia excelsa , sur Wikimedia Commons. Syn. Thermally modified iroko wood has superior durability characteristics and so provides a desirable alternative. • Latex tubes; crystals. It is used for construction work, shipbuilding and marine carpentry, sleepers, sluice gates, framework, trucks, draining boards, outdoor and indoor joinery, stairs, doors, frames, garden furniture, cabinet work, panelling, flooring and profile boards for decorative and structural uses. Crystal-containing axial parenchyma cells not chambered. Tyloses present, Milicia regia, however, is limited to extreme West Africa from Gambia to Ghana; it is less resistant to drought than is M. excelsa. Rays 3–9 per rows. Just as with our Thermowood ash products, iroko decking also meets European Technical Standards Class 1 requirements for durability, with a service life of a minimum of 25 years. within groups of taxa, and geographical distribution. Iroko is known for being a wood with a naturally long service life. The trunk is often buttressed and can be branchless for up to 20 m. The crown is wide and flat. Found throughout Africa, from the West all the way across to the East coast, it is now classified as ‘Vulnerable’ in Cameroon, Ivory Coast, Kenya, and Zimbabwe. C'est un bois blond, vendu dans le monde entier comme bois exotique provenant d'Afrique, au tissage fin et aux veines discrètes. present, prismatic, located in ray cells and axial parenchyma cells. Bois de cet arbre utilisé en construction navale, menuiserie et ameublement. Milicia excelsa, Milicia regia AKA: odum (Ghana and Ivory Coast), mvule (East Africa), kambala (Zaire), bang (Cameroons), moreira (Angola), tule, intule Wood Type - Hardwood Environmental - Listed in the IUCN Red List of Threatened Species as LR - Lower Risk (near threatened): close to being classed as Vulnerable. Axial parenchyma as strands. same size, or of two distinct sizes. Berg (Iroko, kambala) Nomenclature etc. Bands marginal (or Your Name thought you would like to see the Belgian Woodforum web site. Axial parenchyma paratracheal. Crystals in one cell or chamber of the Tracheids and fibres. These qualities are significantly enhanced by the Thermal Modification process, yielding an end-product that is not only beautiful, but is long-lasting even in outdoor applications. Milicia excelsa or African Teak is a nitrogen-fixing tree that can also be used as a shade tree. Heartwood basically brown to yellow to green. 4. Axial Fichier; Historique du fichier; Utilisation du fichier ; Usage global du fichier ... (Milicia excelsa) Deutsch: Irokoholz (Milicia excelsa) Date: 1 er janvier 2011: Source: Travail personnel: Auteur: Abarmot: Conditions d’utilisation. MORACEAE. Elle est utilisée pour son bois, l'iroko. L'Iroko est un bois rayonné sur quartier (rayonné: succéssion de bandes claires et foncé). It is also used for carving, … Average tangential vessel diameter 145–235–310 µm. Version: 9th April 2019. delta-intkey.com’. Perforation plates simple. Il est particulièrement apprécié pour la construction de meubles surtout d'extérieur, pour les parquets, les boiseries. Fichier:Iroko wood.jpg. Froth test positive. L'Iroko de son nom botanique Milicia excelsa / regia. It resembles teak and is mainly used for outdoor construction work, furniture, boats, cabinet work, panelling, frames and floors. Milicia excelsa Preferred Common Name; African teak Taxonomic Tree; Domain: Eukaryota Kingdom: Plantae Phylum: Spermatophyta Subphylum: Angiospermae Class: Dicotyledonae; Uses List; Agroforestry; Carved material; Fuelwood; Miscellaneous materials; Revegetation Iroko (Milicia excelsa) Iroko is an African hardwood often sold as a substitute for the true Asian or Burmese Teak. Sauter à la navigation Sauter à la recherche. Ses propriétés en font un bois exceptionnel. Average Dried Weight: 41 lbs/ft 3 (660 kg/m 3) Specific Gravity (Basic, 12% MC): .55, .66. Espaces de noms Fichier Discussion. Physical and chemical tests. Sa couleur jaunâtre s'oxyde assez rapidement à la lumière pour devenir couleur tabac brun. Geographic distribution: tropical Africa (east and west). tangential mm, multiseriate, 3–4 cells wide. mostly 1 marginal row of upright or square cells. Number of crystals per Nom: iroko + Format: Fichier D’archive: Système d’exploitation: Windows, Mac, Android, iOS: Licence: Usage Personnel Seulement: Taille: 43.9 MBytes: By submitting this form, you accept the Mollom privacy policy. Durabilité Le duramen est durable à très durable classe de durabilité naturelle I-II. Height of large rays distinct (sometimes demarcated by marginal parenchyma bands) or indistinct or lozenge type. up to 500 µm. Sapwood colour Chlorophora excelsa, C. regia) Distribution: Tropical Africa. Storied structures. allows access to the character list, illustrations, full and partial Average number of vessels/mm² 1–3(–10). 10x). Iroko is a highly valued commercial timber in Africa, for which demand is large. It is large and deciduous, growing up to 50 m high and 350 cm in trunk diameter. The tree is known to the Yoruba as ìrókò, logo or loko and is believed to have supernatural properties. seemingly marginal). Description Description Iroko wood. C.C. Nomenclature etc. The wood is a highly valued commercial timber in Africa, for which demand is large. Milicia excelsa , sur Wikimedia Commons. Other frequently used trade names for Milicia excelsa are ‘kambala’ and ‘mvule’. (rare). La page suivante utilise ce fichier: Le contact avec le fer provoque cependant de la corrosion. water extract colourless to brown, or yellow. plates simple. Janka Hardness: 1260. • Radial section. axial parenchyma vasicentric, aliform, and confluent. latex tubes in rays Contenu Ces descriptions ont été tirées d'une banque de données DELTA (Dallwitz 1980; Dallwitz, Paine, and Zurcher 1993). Rays. taxa, lists of taxa exhibiting specified attributes, summaries of attributes Intercellular canals absent. Nom français: Iroko Nom scientifique: Milicia excelsa. apparently simple, different from intervessel pits, rounded or angular. Also meets CITES Appendix II criteria. Le parenchyme autour des vaisseaux fait apparaître des traces distinctes, de teinte claire, surtout sur dosse, ce qui donne au irko une figure typique de teinte claire, rubanée ou en zigzag. Ethanol extract fluorescent (bluish violet). Les autres wikis suivants utilisent ce fichier: Milicia excelsa , sur Wikimedia Commons. Ash white to grey.

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