Botany taxonomy commercial use of leucaenas outside the new world is almost exclusively of the species leucaena leucocephala lam. Leucaena leucocephala is a small, fastgrowing mimosoid tree native to southern mexico and northern central america, but is now naturalized throughout the tropics. Leucaena leucocephala is an evergreen shrub or tree with a fairly open, rounded crown. Leucaena leucocephala is spreading naturally and has been reported as a weed in more then 20 countries across all continents except europe and antarctica.
While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Other important plants are acacia, used for animal food both pods and leaf. Mimosa leucocephala lam mimosa glauca l acacia glauca l. See the leucaena fact sheet pdf, 482kb for herbicide. In south africa it is declared a category 2 weed in the western cape and a category 2 weed. Varieties of the second subspecies, leucaena leucocephala ssp. Hill, in encyclopedia of food sciences and nutrition second edition, 2003.
Plants profile for leucaena leucocephala white leadtree. Nov 19, 2015 leucaena leucocephala is a small, fastgrowing mimosoid tree native to southern mexico and northern central america, but is now naturalized throughout the tropics. Link, leucaena glabrata rose, mimosa leucocephala lam. Native to central and south america, leucaena is a small tree that has been planted for fodder in many tropical areas of the world, including queensland. The genus leucaena has a short juvenile phase for a woody species in that it can commence flowering 34 months after the planting. Preliminary study of leucaena leucocephala as feed for livestock. Page designed through the cooperative efforts of interagency itis teams. Hosted by the usgs core science analytics and synthesis. As it is such a minor component in human diets, it is unlikes to be a major problem. Leucaena leucocephala is a small fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala and is now. Lead tree was most likely distributed by man because of its many uses. Leucaena leucocephala an overview sciencedirect topics. Ecological threat in areas where leucaena leucocephala is. Una ficha informativa detallada sobre leucaena leucocephala ssp.
An underutilized plant for pulp and paper production article pdf available in genetic resources and crop evolution 603. It is actively managed by community groups in queensland and the northern territory and was recently listed as a priority environmental weed in three natural resource. Leucaena leucaena leucocephala is regarded as an environmental weed in queensland, the northern territory, western australia, new south wales, and on christmas island. Leucaena leucocephala stock photos and images 123rf.
Leucaena is a genus of flowering plants in the mimosoid clade of the subfamily caesalpinioideae of the legume family fabaceae. Click below on a thumbnail map or name for subspecies profiles. Leucaena leucocephala can replace alfalfa scapinello et al. This page was last edited on 24 december 2019, at 00. Preliminary study of leucaena leucocephala as feed for livestock liu guodao1 and wang dongjingl abstract the tender shoots and leaves of leucaena leucaena leucocephala are high in protein and other nutrients but they also contain the amino acid mimosine which can be toxic to livestock if used. Leucaena leucaena leucocephala is an invasive plant in queensland and is not a restricted or prohibited plant under queensland legislation. Major chemical constituents of leucaena leucocephala and salix babylonica leaf extracts article in journal of tropical agriculture 4912. In some areas the invasive tree forms dense monospecific thickets, which might suppress andor replace other native species that are important for the islands biodiversity. However, it is not a legal authority for statutory or regulatory purposes. Dry leucaena wood has 39% the calorific value of fuel oil 10,000 calkg, lecaena charcoal 72. Leucaena leucocephala suppression in sint eustatius. Una ficha en texas invasives con informacion sobre su efecto sobre ecosistemas.
In australia, it has naturalised in many areas and on a number of offshore islands. Leucaena leaf meal may be included at 25% when supplementing a diet based on cassava peels and gliricidia sepium and at 3040% when rabbits are fed with arachis pintoi. It contains about 24 species of trees and shrubs, which are commonly known as leadtrees. Leucaena leucocephala ufifas center for aquatic and. Leucaena leucocephala is more palatable than arachis pintoi nieves et al. An leucaena leucocephala in nahilalakip ha genus nga leucaena, ngan familia nga fabaceae. The plants database includes the following 2 subspecies of leucaena leucocephala. Defoliation extremely tolerant of regular defoliation by cutting or grazing once established. Files are available under licenses specified on their description page. They are native to the americas, ranging from texas in the united states south to peru. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria.
Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. This multipurpose tree is used for fuel wood, lumber, animal fodder, and green manure. Learn how to pronounce leucaena and more about the leucaena word at. A native to southern mexico and northern central america, it has an open, rounded crown and short bole of. Leucaena leucocephala or commonly known as leucaena, lead tree, or white tamarind is a fastgrowing, evergreen shrub or tree with a height of up to 20m. All structured data from the file and property namespaces is available under the creative commons cc0 license. Leucaena leucocephala leucaena, lead tree, white tamarind. Major chemical constituents of leucaena leucocephala and. Preliminary study of leucaena leucocephala as feed for.
Nonruminant animals must be fed leucaena in only limited amounts to avoid the mild toxicity symptoms. It is actively managed by community groups in queensland and the northern territory and was recently listed. Ang leucaena leucocephala sakop sa kahenera nga leucaena sa kabanay nga fabaceae. Some success is reported in using these toxins as fungicides or insecticides. Leucaena leucocephala is widely cultivated, mostly in farming situations, for forage leaves and shoots, firewood, poles, medicine roots, shade, soil conservation and improvement, tannin, dye. Leucaena leucaena leucocephala vro agriculture victoria. It is a weed of open, often coastal or riverine habitats, seminatural, and other disturbed or ruderal sites and occasionally in agricultural land. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Usda, ars, germplasm resources information network. Official news bulletin of the international society for plant taxonomy. Mexico and central america is the native range of lead tree, or leucaena leucocephala. Inheritance of growth habit and quantitative characters in intervarietal crosses in leucaena leucocephala.
Leucaena is listed as a weed in new guinea, hawaii, western polynesia and the usa. Leucaena leucocephala in the germplasm resources information network grin, u. In botswana, leucaena leucocephala flowered from 24 months after field planting walton 2003. Affordable and search from millions of royalty free images, photos and vectors.
Ornamental uses include windbreaks, shade trees, and erosion control. Leucaena leucocephala is a small fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala and is now naturalized throughout the tropics. A very detailed booklet, produced in pdf format on the internet, giving information on around 100 species of trees. Department of agriculture agricultural research service. With regard to mimosine, there have been some attempts to breed genotypes of leucaena leucocephala that are low in mimosine.
This plant can be weedy or invasive according to the authoritative sources noted below. Preliminary study of leucaena leucocephala as feed for livestock liu guodao1 and wang dongjingl abstract the tender shoots and leaves of leucaena leucaena leucocephala are high in protein and other nutrients but they also contain the amino acid mimosine which can be toxic to livestock if used inappropriately. Introduction on sint eustatius leucaena leucocephala local name tan tan is present in parts of the island. Plant maturity of leucaena leucocephala follows this pattern. Various forms of leucaena such as leucaena leucocephala have been developed for animal forage, firewood, and construction, as well as for the high production of nitrogen that enriches impoverished soils, especially in the asiatic tropics. It is also planted as a windbreak, a garden ornamental and as an urban shade tree. This plant may be known by one or more common names in different places, and some are listed above. Leucaena is a longlived perennial legume around 23 year halflife in difficult conditions in australia.
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