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         Interim profile, incomplete information
    Taxonomic name: Albizia lebbeck (L.) Benth.
    Synonyms: Acacia lebbeck (Linnaeus) Willd., Mimosa lebbeck L.
    Common names: bois noir des bas (French-Reunion (La Réunion)), lebbek (English), raom tree (English), siris tree (English), soros-tree (English), woman's tongue (English), woman's-tongue tree (English)
    Organism type: tree
    Albizia lebbeck probably originated in tropical Asia and was introduced for forestry or erosion control in many countries. Fast-growing and reaching 18 to 30m in height, it is now naturalised mainly in dry tropical regions and can invade natural and semi-natural environments, as is the case in Mayotte and La Réunion.
    Occurs in:
    agricultural areas, coastland, natural forests, planted forests, ruderal/disturbed, scrub/shrublands, urban areas
    Geographical range
    Native range: Probably native to Asia.
    Known introduced range: Albizia lebbeck has been introduced to many countries, including the Pacific Islands, Australia, Japan, China, Indonesia, Malaysia, New Zealand and Indian Ocean islands (PIER, 2006).
    Introduction pathways to new locations
    Forestry:
    Management information
    Preventative measures: A Risk Assessment of Albizia lebbeck prepared for Australia resulted in a score of 4 and a recommendation of: "the plant requires further evaluation"
    A Risk Assessment of Albizia lebbeck for Hawai‘i and other Pacific islands was prepared by Dr. Curtis Daehler (UH Botany) with funding from the Kaulunani Urban Forestry Program and US Forest Service. The alien plant screening system is derived from Pheloung et al. (1999) with minor modifications for use in Pacific islands (Daehler et al. 2004). The result is a score of 7 and a recommendation of: "Likely to cause significant ecological or economic harm in Hawai‘i and on other Pacific Islands as determined by a high WRA score, which is based on published sources describing species biology and behaviour in Hawai‘i and/or other parts of the world."

    Physical: Seedlings and saplings can be pulled out by hand or dug out. It is recommnded to cut larger trees and treat the stumps with herbicide

    Chemical: Kline & Duquesnel (1996) recommend the following herbicide treament and application for effective control of Albizzia lebbeck:

  • Method: Basal / Herbicide: Garlon 4 / Concentration: 10% / Effectiveness: Good
  • Method: Cut surface / Herbicide: Garlon 4 / Concentration: 10% / Effectiveness: Moderate
  • Method: Cut surface / Herbicide: Garlon 3A / Concentration: 50% / Effectiveness: Moderate
  • .
    Compiled by: Comité français de l'UICN (IUCN French Committee) & IUCN SSC Invasive Species Specialist Group (ISSG)
    Updates on management information with support from the Overseas Territories Environmental Programme (OTEP) project XOT603, a joint project with the Cayman Islands Government - Department of Environment
    Last Modified: Tuesday, 21 September 2010


ISSG Landcare Research NBII IUCN University of Auckland