Leucaena leucocephala in the germplasm resources information network grin, u. Dulal borthakur, department of molecular biosciences and biosystems engineering, uhctahr. Leucaena leucaena leucocephala was introduced for reforestation purposes in thailand due to its tolerance to a wide range of annual rainfall 5003,500 mm and its ability to withstand strong seasonal climates with a dry season of 68 mth cronk and fuller, 2001. Genetic improvement of leucaena university of hawaii.
The common worldwide leucaena is a single selfpollinated variety of l. 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. Introduction on sint eustatius leucaena leucocephala local name tan tan is present in parts of the island. An leucaena leucocephala in nahilalakip ha genus nga leucaena, ngan familia nga fabaceae subspecies. In semiarid climate, it is not possible to grow green fodder throughout the year. In australia, it has naturalised in many areas and on a number of offshore islands. For genetic improvement of leucaena leucocephala, it is necessary to develop genetic transformation procedures for this tree. The purpose of this project is to develop transformation protocols for leucaena contact dr. Leucaena leucocephala suppression in sint eustatius. Reduction of mimosine and tannin contents in leaves of. Ini nga species ginbahin ha masunod nga subspecies. Fabaceae mimosoideae bangalore ra leucaena leucocephala wild tamarind tree. K8 seedlings after 6 months in either nursery or field conditions. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 105 mirror.
An amazona leucocephala in nahilalakip ha genus nga amazona, ngan familia nga psittacidae. Leucaena is a longlived perennial legume around 23 year halflife in difficult conditions in australia. In south africa it is declared a category 2 weed in the western cape and a category 2 weed. On oct 1, 2004, queenb from shepherd, tx zone 8b wrote. Major chemical constituents of leucaena leucocephala and salix babylonica leaf extracts article in journal of tropical agriculture 4912. Pier notes that chemical control is possible, with triclopyr applied to foliage, tebuthiuron taxonmoia to the soil, or triclopyr ester, 2,4d in diesel and to a lesser extent diesel alone as a basal bark treatments. Leucaena species, cowbush, jumbay, lead tree, wild river. Its presence limits the use of the leaves and seeds in feed for monogastric animals since it affects thyroid function, leading to poor growth. Common names include white leadtree, jumbay, and white popinac. Plants profile for leucaena leucocephala white leadtree. This multipurpose tree is used for fuel wood, lumber, animal fodder, and green manure. Unless heavily grazed or otherwise controlled, leucaena can spread rapidly to adjacent areas. 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 common names include white leadtree, jumbay, river tamarind, subabul, and white popinac l. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 105.
Common names include white leadtree, 5 jumbay, river tamarind, subabul, 6 and white popinac. H ayes 1department of earth and biological sciences, loma. Major chemical constituents of leucaena leucocephala and. It can be grown alone or intercropped with grass and other field crops to some extent. Leucaena leucocephala ufifas center for aquatic and. It is also planted as a windbreak, a garden ornamental and as an urban shade tree.
It is a low scrubby tree of tropical and subtropical north america having white flowers tinged with yellow resembling mimosa and long flattened pods. Dry leucaena wood has 39% the calorific value of fuel oil 10,000 calkg, lecaena charcoal 72. The specific name is derived from the greek words, meaning white, and. Leucaena leucocephala can replace alfalfa scapinello et al. Leucaena leucocephala fruit aqueous extract stimulates. View the herbarium specimen image from the university of florida herbarium digital imaging projects citations. Fabaceae habit leucaena leucocephala grows as a shrub to medium size tree up to 10 meters in height. The ability of the extract to stimulate adipogenesis, inhibit lipolysis, and activate radiolabeled glucose uptake was assessed using. Anthelmintic activity of leucaena leucocephala protein. Leucaena is not a prohibited or restricted invasive plant under the biosecurity act 2014.
Leucaena leucocephala is a small, fastgrowing mimosoid tree native to southern mexico and northern central america belize and guatemala, but is now naturalized throughout the tropics. 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. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Weber reports that pulling or digging is appropriate for young plants, whereas cutting followed by herbicide is used for older plants, and this combination has been used effectively in hawaii pier, the concentration of the dye eluted was compared with its original. The leaflets are in 1117 pairs, oblong with an acute leaf apex and entire margin. New cultivars are all of the arboreal or giant type, that greatly outyield the common in forage or wood and that are much less weedy. Antioxidant, antimicrobial activities of flavonoids. It was assigned to the category of a serious or widespread weed invading seminatural or natural habitats which are of some conservation interest by cronk and fuller 1995 and as a category ii weed a species which has a local distribution but. Leucaena leucocephala is a weed of open often coastal or riverine habitats, seminatural, disturbed, degraded habitats and other ruderal sites. A renewable protein supplement for lowquality forages is my own work and that all the sources that i have used or quoted have been indicated and acknowledged by means of complete references. 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 leucocephala had been traditionally used to treat diabetes. Subabool leucaena leucocephala is a leguminous fodderfuelfertilizer adding treeshrub which can grow even in poor soils under low and medium rainfall. Mimosine, a chemical present in leucaena leucocephala, and its degradation product 3.
Risk assessment for leucaena leucocephala from the government of queensland, australia pdf format. Identification and biology of nonnative plants in floridas natural areas second edition, by k. Viable larvae of ages 2 to 3 months were used in the assays. Leucaena leucocephala fabaceae is a small plant, fast growing, multipurpose, nitrogen fixing tree legume widely distributed throughout the tropics and subtropics. An amazona leucocephala in uska species han aves nga syahan ginhulagway ni linnaeus hadton 1758. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Leucaena leucocephala was reported to have cancer chemopreventive and antiproliferation activity against human hepatocarcinoma gamaleldeen, 2007. It was assigned to the category of a serious or widespread weed invading seminatural or natural habitats which are of some conservation interest by cronk and fuller 1995 and as a category ii weed a species which has a local. An underutilized plant for pulp and paper production article pdf available in genetic resources and crop evolution 603 march 20 with 1,985 reads how we measure reads. Antioxidant, antimicrobial activities of flavonoids glycoside. Ginklasipika han iucn an species komo harani ha karatan subspecies. All structured data from the file and property namespaces is available under the creative commons cc0 license. Leucaena is listed as a weed in new guinea, hawaii, western polynesia and the usa.
Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. 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. The present study was designed to evaluate in vitro insulinlike activities of leucaena leucocephala lam. An leucaena leucocephala in nahilalakip ha genus nga leucaena, ngan familia nga fabaceae. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Wood yields of the giant leucaena equal or exceed those of other tropical trees and can be the equivalent annually of. Leucaena leucocephala white leadtree, lead tree, koa. Jumbay, cowbush, jump and go jumbie bean, lead tree. Browse pictures and read growth cultivation information about leucaena species, cowbush, jumbay, lead tree, wild river tamarind, white popinac leucaena leucocephala supplied by member gardeners. Seedling growth duration and shoot and root development were studied tables 1 and 2. Mexico and central america is the native range of lead tree, or leucaena leucocephala.
Leucaena leucocephala is a shrub or small tree that can grow up to 16 ft. Department of agriculture agricultural research service. The text of this page is licensed under the creative commons attributionnoncommercial license version 3. Distribution maps top of page you can pan and zoom the map. Gets a late start since it has to grow mature branches in order to bloom, so blooms late summer to early fall here. Leucaena leucocephala is more palatable than arachis pintoi nieves et al. The plant used as foliage, as a source of vitamin k. Lead tree was most likely distributed by man because of its many uses. 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. This page was last edited on 24 december 2019, at 00. Files are available under licenses specified on their description page. An underutilized plant for pulp and paper production article pdf available in genetic resources and crop evolution 603.
It is a thornless shrubby bush or tree often only to 68ft but occasionally to 3060ft. Reynolds and h ayes t axonomy of amazona leucocephala conservation priorities should never influence taxonomic decisions bowen and karl 1999. A brief history the distribution of the genus leucaena ranges from southern texas in north america through mexico and into central and south america. This name is a synonym of leucaena leucocephala lam. However, it is not a legal authority for statutory or regulatory purposes. 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. The evenly, bipinnately compound leaves are arranged alternately and to 10 cm in length. Leucaena leucaena leucocephala subspecies glabrata is a palatable and nutritious perennial legume shrub tree that is ideal for cattle production in the subtropics and tropics of australia. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 25937 mirror. Leucocephala is used for a variety of purposes, such as fencing, soil fertility, firewood, fiber, and livestock fodder. The asterisk indicates that the average value was obtained by an equation. Performance of rabbits fed leucaena leucocephala and concentrate international legume database and information service. Ornamental uses include windbreaks, shade trees, and erosion control. Will freeze to the ground, but will come back in the spring.
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