Guibourtia arnoldiana: Difference between revisions
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{{Short description|Species of legume}} |
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'''''[[Guibourtia]] arnoldiana''''' commonly known as Mutenye is a tree in the legume or [[Fabaceae]] family. Other common names include Benge, Mbenge (Zaire). The tee is found in West Central Africa. It reaches a height of about 75 to 100 ft; bole irregular, to 60 ft in |
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{{Speciesbox |
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length; trunk diameters to 3 ft; usually buttressed. |
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|image = |
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<P><B>The Wood:</B> |
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|status = LC |
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<P><B>General Characteristics:</B> Heartwood pale yellowish brown to medium brown, |
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|status_system = IUCN3.1 |
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sometimes with a reddish tinge, with gray to almost black striping; |
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|status_ref = <ref name=IUCN>{{cite iucn |author= Barstow, M. |author2= Doucet, J. |author3= Tosso, F. |date=2021 |title= ''Guibourtia arnoldiana'' |volume=2021 |page= e.T62026070A62026072 |doi= 10.2305/IUCN.UK.2021-3.RLTS.T62026070A62026072.en |access-date=3 January 2023}}</ref> |
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sapwood dull gray with a yellowish cast, distinct. Texture moderately |
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|genus = Guibourtia |
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fine and fairly even; grain straight interlocked, gum pockets |
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|species = arnoldiana |
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sometimes present. |
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|authority = ([[Émile Auguste Joseph De Wildeman|De Wild.]] & [[Théophile Alexis Durand|T.Durand]]) [[Jean Joseph Gustave Léonard|J.Léonard]] |
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<P><B>Weight:</B> Basic |
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|synonyms_ref = <ref name=POWO>{{cite web |url= https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:497145-1 |title= Guibourtia arnoldiana (De Wild. & T.Durand) J.Léonard |author=<!--Not stated--> |date=n.d. |website=Plants of the World Online |publisher=The Trustees of the Royal Botanic Gardens, Kew |access-date=January 3, 2023}}</ref> |
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specific gravity (ovendry weight/green volume) about 0.64; air-dry |
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|synonyms = ''Copaiba arnoldiana'' <small>De Wild. & T.Durand</small><br> |
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density 50 pcf. |
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''Copaifera arnoldiana'' <small>(De Wild. & T.Durand) T.Durand & H.Durand</small><br> |
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<P><B>Mechanical Properties:</B> (2-cm standard) |
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}} |
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<P>Moisture content Bending strength Modulus of |
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elasticity Maximum crushing strength |
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'''''Guibourtia arnoldiana''''' ('''mutenyé''', '''benge''', or '''mbenge''') is a species of ''[[Guibourtia]]'' in the family [[Fabaceae]], native to tropical western [[Africa]] from the [[Gabon]], [[Republic of the Congo]], western [[Democratic Republic of the Congo]], and northernmost [[Angola]] ([[Cabinda (province)|Cabinda]]).<ref name=ildis>International Legume Database & Information Service: [http://www.ildis.org/LegumeWeb?version~10.01&LegumeWeb&tno~888&genus~Guibourtia&species~arnoldiana ''Guibourtia arnoldiana'']</ref><ref name=grin>{{GRIN | accessdate = 29 January 2018}}</ref> |
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<P><U>(%) (Psi) (1,000 psi) (Psi)</U> |
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<P>12% (47) 21,400 2,040 11,400 |
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It is a [[tree]] growing to 20–30 m tall, with a trunk 40–80 cm diameter.<ref name=tropix>CIRAD Forestry Department: [http://tropix.cirad.fr/africa/mutenye.pdf Mutenye (pdf file)] {{Webarchive|url=https://web.archive.org/web/20061130130710/http://tropix.cirad.fr/africa/mutenye.pdf |date=2006-11-30 }}</ref> |
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<P>12% (47) 22,300 3,100 12,200 |
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<P>Amsler toughness 244 to 510 in.-lb at 12% |
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The [[wood]] is valuable, durable and moderately resistant to wood-boring [[insect]]s including [[termite]]s. It is used for joinery, furniture, flooring, and decorative panelling.<ref name=tropix/> |
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moisture content (2-cm specimen). |
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<P><B>Drying and Shrinkage:</B> Reported to season well if care is taken, though liable |
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==References== |
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to some warping and checking. Kiln schedule T3-C2 is suggested for |
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{{Reflist}} |
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4/4 stock and T3-C1 for 8/4. Shrinkage green to ovendry: radial 4.6 |
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to 5.8%; tangential 8.0 to 9.2%; volumetric 10.5 to 14.7%. Movement |
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{{Taxonbar|from=Q2326631}} |
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in service is rated as medium. |
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<P><B>Working Properties:</B> Though hard and heavy, works well with hand and machine |
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[[Category:Guibourtia|arnoldiana]] |
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tools, picking of interlocked grain in planing, veneers well but |
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[[Category:Taxa named by Émile Auguste Joseph De Wildeman]] |
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bolts must be preheated. Reported that silica may cause rapid dulling |
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[[Category:Taxa named by Théophile Alexis Durand]] |
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of cutters, but also reported to be nonsiliceous. |
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<P><B>Durability:</B> |
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Heartwood reported to be moderately durable and moderately resistant |
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to termite attack. |
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<P><B>Preservation:</B> |
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Heartwood resistant to preservative treatments; sapwood is moderately |
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resistant. |
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<P><B>Uses:</B> Turnery, |
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flooring, furniture components, decorative veneer. |
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==External links== |
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*[http://www2.fpl.fs.fed.us/techsheets/Chudnoff/African/htmlDocs_africa/Guibourtiaarnoldiana.html USDA fact sheet] |
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Latest revision as of 18:52, 8 April 2023
| Guibourtia arnoldiana | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Guibourtia |
| Species: | G. arnoldiana
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| Binomial name | |
| Guibourtia arnoldiana | |
| Synonyms[2] | |
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Copaiba arnoldiana De Wild. & T.Durand | |
Guibourtia arnoldiana (mutenyé, benge, or mbenge) is a species of Guibourtia in the family Fabaceae, native to tropical western Africa from the Gabon, Republic of the Congo, western Democratic Republic of the Congo, and northernmost Angola (Cabinda).[3][4]
It is a tree growing to 20–30 m tall, with a trunk 40–80 cm diameter.[5]
The wood is valuable, durable and moderately resistant to wood-boring insects including termites. It is used for joinery, furniture, flooring, and decorative panelling.[5]
References[edit]
- ^ Barstow, M.; Doucet, J.; Tosso, F. (2021). "Guibourtia arnoldiana". IUCN Red List of Threatened Species. 2021: e.T62026070A62026072. doi:10.2305/IUCN.UK.2021-3.RLTS.T62026070A62026072.en. Retrieved 3 January 2023.
- ^ "Guibourtia arnoldiana (De Wild. & T.Durand) J.Léonard". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved January 3, 2023.
- ^ International Legume Database & Information Service: Guibourtia arnoldiana
- ^ "Guibourtia arnoldiana". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 29 January 2018.
- ^ a b CIRAD Forestry Department: Mutenye (pdf file) Archived 2006-11-30 at the Wayback Machine
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