Wikipedia

Iroko

Iroko (Yoruba: Ìrókò) is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years.[1] 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.[2]

Iroko
Milicia excelsa, Uganda
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Moraceae
Tribe: Moreae
Genus: Milicia
Sim
Species

Milicia excelsa
Milicia regia

The genus name of Milicia is in honour of Milici (19th and 20th centuries), an administrator in Portuguese East Africa (in modern-day Mozambique) who supported the work of the author of the genus, Thomas Robertson Sim.[3] It was first described and published in Forest Fl. Port. E. Afr. on page 97 in 1909.[4]

The tree is known to the Yoruba as ìrókò, logo or loko and is believed to have healing properties.[5] Iroko is known to the Igbo people as ọjị wood.[6] It is one of the woods sometimes referred to as African teak,[7] although it is unrelated to the teak family. The wood colour is initially yellow but darkens to a richer copper brown over time.

Iroko tree

Names in Other Languages

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Species

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Iroko is yielded mostly (probably) by Milicia excelsa. In much of the literature on this timber the names of the trees that yields it are given as Chlorophora excelsa (syn. Milicia excelsa) and Chlorophora regia (syn. Milicia regia).[11][12]

Milicia excelsa is currently listed as 'near threatened' on the IUCN Red List.[13]

Both species are dioecious, with male and female flowers on separate individuals.[14]

Uses

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A specimen of Iroko wood

The timber is used for a variety of external and internal purposes[15] including boat-building, domestic flooring, furniture and outdoor gates. From the late 1990s, it was used as part of the txalaparta, a Basque musical instrument constructed of wooden boards, due to its lively sound.[16] Iroko is one of the traditional djembe woods. Iroko wood was the wood chosen for the pews in the Our Lady of Peace Basilica.[17]

It is a very durable wood;[18] iroko does not require regular treatment with oil or varnish when used outdoors, although it is very difficult to work with tools as it tends to splinter easily, and blunts tools very quickly.[19]

In the UK there are no trade restrictions on the machining of this timber. The only reported adverse effects known to be caused by the dust from iroko are asthma, dermatitis and nettle rash.[20]

Cultural beliefs

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The tree is feared in some cultures where it originates and hence is shunned or revered with offerings.[21] Yoruba people believe that the tree is inhabited by a spirit, and anybody who sees the Iroko-man face to face becomes insane and speedily dies.[22] According to the Yoruba, any man who cuts down any iroko tree causes devastating misfortune on himself and all of his family,[22] although if they need to cut down the tree they can make a prayer afterwards to protect themselves.[23]

They also claim that the spirit of the Iroko can be heard in houses which use iroko wood, as the spirit of the Iroko is trapped in the wood.[22] In Nigeria the iroko wood is of much lower quality due to soil conditions as well as root-rot.[24][25][26] Some Westerners refer to the wood as "poor man's teak".[27]

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References

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  1. ^ Amadi, Pete (1 September 2013). Conflicted Destiny: Chronicle of a Natural Born Warrior. FriesenPress. ISBN 9781460224274.
  2. ^ D.A. Ofori; M.D. Swaine; C. Leifert; J.R. Cobbinah; A.H. Price (December 2001), "Population genetic structure of Milicia species characterised by using RAPD and nucleotide sequencing L.", Genetic Resources and Crop Evolution, 48 (6): 637–647, doi:10.1023/A:1013805807957, S2CID 43985297
  3. ^ Burkhardt, Lotte (2018). "Verzeichnis eponymischer Pflanzennamen - Erweiterte Edition. Index of Eponymic Plant Names - Extended Edition. Index de Noms éponymiques des Plantes - Édition augmentée". Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. S2CID 187926901. Retrieved 1 January 2021.
  4. ^ "Milicia Sim | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 26 October 2021.
  5. ^ Oduyoye, Modupe (29 September 2015). The Sons of the Gods and the Daughters of Men: An Afro-Asiatic Interpretation of Genesis 1-11. Wipf and Stock Publishers. ISBN 9781498235822.
  6. ^ Onunwa, Udobata R. (27 June 2010). A Handbook of African Religion and Culture. Dorrance Publishing. ISBN 9781434953964.
  7. ^ Stephen (14 June 2023). "Iroko Wood Is African Teak Lumber 2023". Retrieved 20 June 2023.
  8. ^ Thompson, Robert Farris (26 May 2010). Flash of the Spirit: African & Afro-American Art & Philosophy. Knopf Doubleday Publishing Group. p. 167. ISBN 978-0-307-87433-7. Retrieved 23 September 2024.
  9. ^ Blench, Roger (2006). Archaeology, language, and the African past. Altamira Press. ISBN 9780759104655.
  10. ^ Quattrocchi, Umberto (3 February 2023). CRC World Dictionary of Plant Nmaes: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. CRC Press. p. 1692. ISBN 978-1-000-89773-9. Retrieved 23 September 2024.
  11. ^ iroko wood at the Encyclopædia Britannica
  12. ^ "Chlorophora excelsa (Welw.) Benth". Integrated Taxonomic Information System.
  13. ^ World Conservation Monitoring Centre. (1998). "Milicia excelsa". IUCN Red List of Threatened Species. 1998: e.T33903A9817388. doi:10.2305/IUCN.UK.1998.RLTS.T33903A9817388.en. Retrieved 1 April 2024.
  14. ^ Daïnou, K.; Mahy, G.; Duminil, J.; Dick, C. W.; Doucet, J-L; Donkpégan, A S L.; Pluijgers, M.; Sinsin, B.; Lejeune, P.; Hardy, O. J. (2014). "Speciation slowing down in widespread and long-living tree taxa: Insights from the tropical timber tree genus Milicia (Moraceae)". Heredity. 113 (1): 74–85. doi:10.1038/hdy.2014.5. PMC 4815650. PMID 24549110.
  15. ^ "Wood Species Database: Iroko". Wood Species Database. Timber Research And Development Association (TRADA). Retrieved 21 August 2022.
  16. ^ "La txalaparta, el sonido ancestral de Euskadi por Pol Ducable Rogés". CANCIONEROS.COM. Retrieved 4 March 2016.
  17. ^ Elleh, Nnamdi (1 January 2002). Architecture and Power in Africa. Greenwood Publishing Group. ISBN 9780275976798.
  18. ^ Kurjatko, Stanislav; Kúdela, Jozef; Lagaňa, Rastislav (1 January 2006). Wood Structure and Properties '06. Arbora Publishers. ISBN 9788096886845.
  19. ^ Westin, Mike (12 April 2013). Upgrading Your Boat's Interior. A&C Black. ISBN 9781408159095.
  20. ^ "HSE Toxic Woods Information Sheet" (PDF). Health and Safety Executive. Archived from the original (PDF) on 17 August 2021. Retrieved 15 October 2012.
  21. ^ Twilight Tales3. CUP Archive. 1953. p. 26. Retrieved 2 April 2011.
  22. ^ a b c Ogumefu, M. I. (1929). Yoruba legends. Forgotten Books. p. 10. ISBN 978-1-60506-017-0.
  23. ^ The Church Missionary Juvenile Instructor. Seeley, Jackson, & Halliday. 1 January 1880.
  24. ^ Bulletin of the Imperial Institute. The Institute. 1 January 1914. p. 366.
  25. ^ Commons, Great Britain Parliament House of (1 January 1914). House of Commons Papers. H.M. Stationery Office.
  26. ^ Documentation and Information: Ecology : Catalogue of Documents and Publications on MAB in Africa. UNESCO's Regional Office. 1 January 1990.
  27. ^ Hamon, Lindsay (7 November 2012). When God Takes Over: Stories of hope on the streets. AuthorHouse. ISBN 9781477238844.
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