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Leucaena
Leucaena leucocephala
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Subfamily: Mimosoideae
Tribe: Mimoseae
Genus: Leucaena
Benth.
Species

See text.

Leucaena is a genus of about 24 species trees and shrubs in the subfamily Mimosoideae of the legume family Fabaceae. Members of the genus, commonly known as Leadtrees,[1] are native to the Americas, where they range from Texas in the United States south to Peru.[2]

Leucaena species are grown for their variety of uses, including as green manure, a charcoal source, livestock fodder, and for soil conservation. Its seeds (jumbie beans) can be used as beads. Leucaena planted for firewood on an area of 120 km2 (46 sq mi) will yield an energy equivalent of 1 million barrels of oil per year. Anthelmintic medicines are made from extracts of Leucaena seeds in Sumatra, Indonesia.[2]

Some species (namely Leucaena leucocephala) have edible fruits (as unripe) and seeds. The seeds of guaje (Leucaena esculenta) are eaten with salt in Mexico. In other species high levels of mimosine may lead to hair loss and infertility in non-ruminants.[2]

[edit] List of species

[edit] References

  1. ^ "PLANTS Profile for Leucaena (leadtree)". PLANTS Database. United States Department of Agriculture. http://plants.usda.gov/java/profile?symbol=LEUCA. Retrieved 2009-09-19. 
  2. ^ a b c Mabberley, D.J. (1997). The Plant-Book: A portable dictionary of the vascular plants (2nd ed.). Cambridge, England: Cambridge University Press. p. 406. ISBN 9780521414210. http://books.google.com/books?id=ZVdoUPtqKCIC&client=firefox-a&source=gbs_navlinks_s. 
  3. ^ a b c d e f g h Nugent, Jeff; Julia Boniface (2004). Permaculture Plants: A Selection (2nd ed.). Chelsea Green Publishing. pp. 24-26. ISBN 9781856230292. http://books.google.com/books?id=40n-Z_8ihZMC&client=firefox-a&source=gbs_navlinks_s. 
  4. ^ "Species Records of Leucaena". Germplasm Resources Information Network. United States Department of Agriculture. http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?6761. Retrieved 2009-09-19. 

[edit] External links




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