Millettia stuhlmannii, commonly known as panga panga, is a well-known species of timber tree[1] that is native to the southeastern Afrotropics. The wood of the tropical species M. laurentii has similar qualities and uses, but is slightly darker, and lacks the copious yellowish white resin of the heartwood vessels.[2] Its foliage is similar to that of Pterocarpus rotundifolius, and it may be confused with the latter when observed from a distance.
It is found in southern Tanzania, eastern Zimbabwe, Mozambique[2] and very locally in the Venda region of South Africa.[4] Though locally common or even dominant, over-utilization may deplete many populations. Besides harvesting for timber, their numbers are also depleted by unsustainable harvesting of bark and roots, which are employed for medicinal and magical purposes.[1]
Descriptionedit
The large compound leaves are greenish above and bluish green below, with one terminal and 7 to 9 pairs of opposite leaflets.[1] It is deciduous, with the foliage emerging before flowering time. The large, lilac flowers[1] appear from November to January as seasonal rains commence,[2] and are produced on long, pendulous racemes. The woody seed pods are flat and velvety, and release their seeds when they split open due to increasing torsion.[1] The root nodules have a symbiotic relationship with rhizobial bacteria.[2]
The highly priced and valued wood has a range of applications, including flooring, furniture, musical instruments and boat building. The heartwood is very durable, as it is not affected by fungi, dry-wood borers or termites, but the sapwood is vulnerable to powderpost beetles.[2] It is locally sawn, and exported legally from Tanzania and Mozambique, especially Zambezia Province.[2] It accounts for some 45% of timber legally exported from Tanzania, and much of it is bought by Chinese buyers, who in turn re-export a portion to the West.[2]
^ abcdefgLemmens, R. H. M. J. (2008). . Prota 7(1): Timbers/Bois d’œuvre 1. PROTA, Wageningen, Netherlands. Archived from the original on 2 April 2015. Retrieved 19 March 2015.
^At Ha-Makhuvha (22°46'S 30°23'E) where 159 specimens were left in 2007. See: T. Mutshinyalo, 2011.
^ILDIS, International Legume Database and Information Service; CHCD, Chapman & Hall Chemical Database (1994). F.A. Bisby; J. Buckingham; J.B. Harborne (eds.). Phytochemical dictionary of the Leguminosae. compiler, I.W. Southon; chemical data, Chapman & Hall Chemical Database; phytochemical database, R.J. White; botanical data, J.L. Zarucchi (1st ed.). London: Chapman & Hall. ISBN0412397706.
January 01, 1970
millettia, stuhlmannii, commonly, known, panga, panga, well, known, species, timber, tree, that, native, southeastern, afrotropics, wood, tropical, species, laurentii, similar, qualities, uses, slightly, darker, lacks, copious, yellowish, white, resin, heartwo. Millettia stuhlmannii commonly known as panga panga is a well known species of timber tree 1 that is native to the southeastern Afrotropics The wood of the tropical species M laurentii has similar qualities and uses but is slightly darker and lacks the copious yellowish white resin of the heartwood vessels 2 Its foliage is similar to that of Pterocarpus rotundifolius and it may be confused with the latter when observed from a distance Millettia stuhlmannii Scientific classification Kingdom Plantae Clade Tracheophytes Clade Angiosperms Clade Eudicots Clade Rosids Order Fabales Family Fabaceae Subfamily Faboideae Genus Millettia Species M stuhlmannii Binomial name Millettia stuhlmanniiTaub Panga Panga is often mistakenly called Partridge Wood this is incorrect and an entirely different Genus 3 Contents 1 Range and status 2 Description 3 Isolated chemicals 4 Timber value and trade 5 See also 6 ReferencesRange and status editIt is found in southern Tanzania eastern Zimbabwe Mozambique 2 and very locally in the Venda region of South Africa 4 Though locally common or even dominant over utilization may deplete many populations Besides harvesting for timber their numbers are also depleted by unsustainable harvesting of bark and roots which are employed for medicinal and magical purposes 1 Description editThe large compound leaves are greenish above and bluish green below with one terminal and 7 to 9 pairs of opposite leaflets 1 It is deciduous with the foliage emerging before flowering time The large lilac flowers 1 appear from November to January as seasonal rains commence 2 and are produced on long pendulous racemes The woody seed pods are flat and velvety and release their seeds when they split open due to increasing torsion 1 The root nodules have a symbiotic relationship with rhizobial bacteria 2 Isolated chemicals editThe flavonoid robinetin has been isolated in the heartwood and the a amino acid S canavanine has been isolated from the seeds 5 Timber value and trade editThe highly priced and valued wood has a range of applications including flooring furniture musical instruments and boat building The heartwood is very durable as it is not affected by fungi dry wood borers or termites but the sapwood is vulnerable to powderpost beetles 2 It is locally sawn and exported legally from Tanzania and Mozambique especially Zambezia Province 2 It accounts for some 45 of timber legally exported from Tanzania and much of it is bought by Chinese buyers who in turn re export a portion to the West 2 See also editMillettia stuhlmannii Millettia laurentiiReferences edit a b c d e Mutshinyalo Thompson June 2011 Millettia stuhlmannii Taub PlantZAfrica com SANBI Retrieved 18 March 2015 a b c d e f g Lemmens R H M J 2008 Millettia stuhlmannii Taub Prota 7 1 Timbers Bois d œuvre 1 PROTA Wageningen Netherlands Archived from the original on 2 April 2015 Retrieved 19 March 2015 Partridgewood The Wood Database Lumber Identification Hardwood Retrieved 2019 02 13 At Ha Makhuvha 22 46 S 30 23 E where 159 specimens were left in 2007 See T Mutshinyalo 2011 ILDIS International Legume Database and Information Service CHCD Chapman amp Hall Chemical Database 1994 F A Bisby J Buckingham J B Harborne eds Phytochemical dictionary of the Leguminosae compiler I W Southon chemical data Chapman amp Hall Chemical Database phytochemical database R J White botanical data J L Zarucchi 1st ed London Chapman amp Hall ISBN 0412397706 Retrieved from https en wikipedia org w index php title Millettia stuhlmannii amp oldid 1079358516, wikipedia, wiki, book, books, library,
