Guibourtia arnoldiana: Difference between revisions

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{{Short description|Species of legume}}
{{Taxobox
{{Speciesbox
| color = lightgreen
|image =
| name = Guibourtia arnoldiana
|status = LC
| regnum = [[Plantae]]
|status_system = IUCN3.1
| phylum = [[Tracheophyta]]
|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>
| classis = [[Magnoliopsida]]
|genus = Guibourtia
| ordo = [[Fabales]]
|species = arnoldiana
| familia = [[Fabaceae]]
|authority = ([[Émile Auguste Joseph De Wildeman|De Wild.]] & [[Théophile Alexis Durand|T.Durand]]) [[Jean Joseph Gustave Léonard|J.Léonard]]
| genus = ''[[Guibourtia]]''
|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>
| species = '''''G. arnoldiana'''''
| binomial = ''Guibourtia arnoldiana''
|synonyms = ''Copaiba arnoldiana'' <small>De Wild. & T.Durand</small><br>
| binomial_authority = (De Wild. & T. Durand) J. Léonard
''Copaifera arnoldiana'' <small>(De Wild. & T.Durand) T.Durand & H.Durand</small><br>
}}
}}

'''''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
'''''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>
length; trunk diameters to 3 ft; usually buttressed.

<P><B>The Wood:</B>
It is a [[tree]] growing to 20–30 m tall, with a trunk 40–80&nbsp;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>
<P><B>General Characteristics:</B> Heartwood pale yellowish brown to medium brown,

sometimes with a reddish tinge, with gray to almost black striping;
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/>
sapwood dull gray with a yellowish cast, distinct. Texture moderately

fine and fairly even; grain straight interlocked, gum pockets
==References==
sometimes present.
{{Reflist}}
<P><B>Weight:</B> Basic

specific gravity (ovendry weight/green volume) about 0.64; air-dry
{{Taxonbar|from=Q2326631}}
density 50 pcf.

<P><B>Mechanical Properties:</B> (2-cm standard)
[[Category:Guibourtia|arnoldiana]]
<P>Moisture content Bending strength Modulus of
[[Category:Taxa named by Émile Auguste Joseph De Wildeman]]
elasticity Maximum crushing strength
[[Category:Taxa named by Théophile Alexis Durand]]
<P><U>(%) (Psi) (1,000 psi) (Psi)</U>

<P>12% (47) 21,400 2,040 11,400

<P>12% (47) 22,300 3,100 12,200
{{Detarioideae-stub}}
<P>Amsler toughness 244 to 510 in.-lb at 12%
moisture content (2-cm specimen).
<P><B>Drying and Shrinkage:</B> Reported to season well if care is taken, though liable
to some warping and checking. Kiln schedule T3-C2 is suggested for
4/4 stock and T3-C1 for 8/4. Shrinkage green to ovendry: radial 4.6
to 5.8%; tangential 8.0 to 9.2%; volumetric 10.5 to 14.7%. Movement
in service is rated as medium.
<P><B>Working Properties:</B> Though hard and heavy, works well with hand and machine
tools, picking of interlocked grain in planing, veneers well but
bolts must be preheated. Reported that silica may cause rapid dulling
of cutters, but also reported to be nonsiliceous.
<P><B>Durability:</B>
Heartwood reported to be moderately durable and moderately resistant
to termite attack.
<P><B>Preservation:</B>
Heartwood resistant to preservative treatments; sapwood is moderately
resistant.
<P><B>Uses:</B> Turnery,
flooring, furniture components, decorative veneer.
==External links==
*[http://www2.fpl.fs.fed.us/techsheets/Chudnoff/African/htmlDocs_africa/Guibourtiaarnoldiana.html USDA fact sheet]

Latest revision as of 18:52, 8 April 2023

Guibourtia arnoldiana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Guibourtia
Species:
G. arnoldiana
Binomial name
Guibourtia arnoldiana
Synonyms[2]

Copaiba arnoldiana De Wild. & T.Durand
Copaifera arnoldiana (De Wild. & T.Durand) T.Durand & H.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]

  1. ^ 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.
  2. ^ "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.
  3. ^ International Legume Database & Information Service: Guibourtia arnoldiana
  4. ^ "Guibourtia arnoldiana". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 29 January 2018.
  5. ^ a b CIRAD Forestry Department: Mutenye (pdf file) Archived 2006-11-30 at the Wayback Machine