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. Leucaena leucocephala stock photos and images 123rf. Affordable and search from millions of royalty free images, photos and vectors. Ang leucaena leucocephala sakop sa kahenera nga leucaena sa kabanay nga fabaceae.
Leucaena leucocephala ufifas center for aquatic and. This page was last edited on 24 december 2019, at 00. Defoliation extremely tolerant of regular defoliation by cutting or grazing once established. Official news bulletin of the international society for plant taxonomy. The generic name is derived from the greek word leukos. The nonprotein amino acid mimosine occurs in mimosa pudica sensitive plant and leucaena leucocephala, a leguminous fodder shrub.
Some success is reported in using these toxins as fungicides or insecticides. A native to southern mexico and northern central america, it has an open, rounded crown and short bole of. 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. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. With regard to mimosine, there have been some attempts to breed genotypes of leucaena leucocephala that are low in mimosine. As it is such a minor component in human diets, it is unlikes to be a major problem. 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. Varieties of the second subspecies, leucaena leucocephala ssp. Leucaena is a genus of flowering plants in the mimosoid clade of the subfamily caesalpinioideae of the legume family fabaceae. Learn how to pronounce leucaena and more about the leucaena word at. Leucaena leucaena leucocephala vro agriculture victoria.
Department of agriculture agricultural research service. Mimosa leucocephala lam mimosa glauca l acacia glauca l. Leucaena is a longlived perennial legume around 23 year halflife in difficult conditions in australia. They are native to the americas, ranging from texas in the united states south to peru. 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.
Major chemical constituents of leucaena leucocephala and. Hosted by the usgs core science analytics and synthesis. The plants database includes the following 2 subspecies of leucaena leucocephala. It contains about 24 species of trees and shrubs, which are commonly known as leadtrees. 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. Ecological threat in areas where leucaena leucocephala is. 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 an invasive plant in queensland and is not a restricted or prohibited plant under queensland legislation. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Leucaena leucocephala suppression in sint eustatius. Preliminary study of leucaena leucocephala as feed for. In south africa it is declared a category 2 weed in the western cape and a category 2 weed. Usda, ars, germplasm resources information network.
Leucaena leucocephala is an evergreen shrub or tree with a fairly open, rounded crown. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Major chemical constituents of leucaena leucocephala and salix babylonica leaf extracts article in journal of tropical agriculture 4912. Dry leucaena wood has 39% the calorific value of fuel oil 10,000 calkg, lecaena charcoal 72. Leucaena leucocephala is spreading naturally and has been reported as a weed in more then 20 countries across all continents except europe and antarctica. Other important plants are acacia, used for animal food both pods and leaf. 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.
Leucaena leucocephala leucaena, lead tree, white tamarind. Page designed through the cooperative efforts of interagency itis teams. Plants profile for leucaena leucocephala white leadtree. Leucaena leucaena leucocephala is regarded as an environmental weed in queensland, the northern territory, western australia, new south wales, and on christmas island. This plant may be known by one or more common names in different places, and some are listed above. Leucaena leucocephala is a small, fastgrowing mimosoid tree native to southern mexico and northern central america, but is now naturalized throughout the tropics. It is actively managed by community groups in queensland and the northern territory and was recently listed. An leucaena leucocephala in nahilalakip ha genus nga leucaena, ngan familia nga fabaceae. Leucaena is listed as a weed in new guinea, hawaii, western polynesia and the usa. Mexico and central america is the native range of lead tree, or leucaena leucocephala. It is also planted as a windbreak, a garden ornamental and as an urban shade tree. Files are available under licenses specified on their description page. In, molokai, hawaii brewbaker 1980 a 400ha farm of leucaena leucocephala on a four year rotation is expected to fuel a two megawatt facility producing 11. Hill, in encyclopedia of food sciences and nutrition second edition, 2003.
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. Leucaena leucocephala an overview sciencedirect topics. Una ficha en texas invasives con informacion sobre su efecto sobre ecosistemas. Leucaena leucocephala is a small fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala and is now. Leucaena leucocephala is more palatable than arachis pintoi nieves et al. However, it is not a legal authority for statutory or regulatory purposes.
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. An underutilized plant for pulp and paper production article pdf available in genetic resources and crop evolution 603. In australia, it has naturalised in many areas and on a number of offshore islands. Link, leucaena glabrata rose, mimosa leucocephala lam. 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.
Inheritance of growth habit and quantitative characters in intervarietal crosses in leucaena leucocephala. Click below on a thumbnail map or name for subspecies profiles. Nonruminant animals must be fed leucaena in only limited amounts to avoid the mild toxicity symptoms. Lead tree was most likely distributed by man because of its many uses. All structured data from the file and property namespaces is available under the creative commons cc0 license. A very detailed booklet, produced in pdf format on the internet, giving information on around 100 species of trees. This multipurpose tree is used for fuel wood, lumber, animal fodder, and green manure. Preliminary study of leucaena leucocephala as feed for livestock.
Plant maturity of leucaena leucocephala follows this pattern. It is a weed of open, often coastal or riverine habitats, seminatural, and other disturbed or ruderal sites and occasionally in agricultural land. This plant can be weedy or invasive according to the authoritative sources noted below. Leucaena leucocephala can replace alfalfa scapinello et al. See the leucaena fact sheet pdf, 482kb for herbicide.
Ornamental uses include windbreaks, shade trees, and erosion control. Una ficha informativa detallada sobre leucaena leucocephala ssp. The genus leucaena has a short juvenile phase for a woody species in that it can commence flowering 34 months after the planting. Introduction on sint eustatius leucaena leucocephala local name tan tan is present in parts of the island. 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. In botswana, leucaena leucocephala flowered from 24 months after field planting walton 2003. Leucaena leucocephala in the germplasm resources information network grin, u.
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