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Synonyms[3]

Caudoleucaena Britton & Rose Ryncholeucaena Britton & Rose

Leucaena
Leucaena
is a genus of flowering plants in the mimosoid clade of the subfamily Caesalpinioideae
Caesalpinioideae
of the legume family Fabaceae. It contains about 24 species of trees and shrubs, which are commonly known as leadtrees.[4] They are native to the Americas, ranging from Texas
Texas
in the United States
United States
south to Peru.[5] The generic name is derived from the Greek word λευκός (leukos), meaning "white," referring to the flowers.[6]

Contents

1 Uses 2 List of species

2.1 Hybrids 2.2 Formerly placed here

3 References 4 External links

Uses[edit] Leucaena
Leucaena
species are grown for their variety of uses, including as green manure, a charcoal source, livestock fodder, and for soil conservation. The 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
Leucaena
seeds in Sumatra, Indonesia.[5] Some species (namely Leucaena
Leucaena
leucocephala) have edible fruits (as unripe) and seeds. The seeds of Leucaena
Leucaena
esculenta (in Mexico
Mexico
called guaje or huaje) are eaten with salt in Mexico. In other species high levels of mimosine may lead to hair loss and infertility in non-ruminants.[5] List of species[edit]

Leucaena
Leucaena
collinsii Britton & Rose – Collins leadtree (Southern Mexico)[7][8] Leucaena
Leucaena
confertiflora Zárate Leucaena cuspidata
Leucaena cuspidata
Standl. (Mexico) Leucaena
Leucaena
diversifolia (Schltdl.) Benth. – Diverseleaf leadtree (Southern Mexico, Central America)[8] Leucaena
Leucaena
esculenta (DC.) Benth. – Esculent leadtree[8] (Mexican highlands)[7] Leucaena greggii
Leucaena greggii
S.Watson (Mexico) Leucaena
Leucaena
guatemalensis Leucaena involucrata
Leucaena involucrata
Zárate (Mexico) Leucaena
Leucaena
lanceolata S.Watson (Western Mexico)[7] Leucaena lempirana
Leucaena lempirana
C.E.Hughes (Honduras) Leucaena leucocephala
Leucaena leucocephala
(Lam.) de Wit – White leadtree (Southern Mexico, Belize, Guatemala) Leucaena
Leucaena
macrophylla Benth. – Bigleaf Leucaena[8] (Lowland Mexico)[7] Leucaena magnifica
Leucaena magnifica
(C.E.Hughes) C.E.Hughes (Guatemala) Leucaena matudae
Leucaena matudae
(Zárate) C.E.Hughes (Mexico) Leucaena
Leucaena
multicapitula Schery Leucaena
Leucaena
pallida Britton & Rose Leucaena pueblana
Leucaena pueblana
Britton & Rose (Mexico) Leucaena
Leucaena
pulverulenta (Schltdl.) Benth. – Great leadtree (Southern Texas, Northeastern Mexico)[7] Leucaena retusa
Leucaena retusa
Benth. – Littleaf leadtree (Western Texas, Northern Mexico)[7] Leucaena salvadorensis
Leucaena salvadorensis
Standl. ex Britton & Rose (El Salvador, Honduras, Nicaragua) Leucaena
Leucaena
shannonii Donn.Sm. – Shannon leadtree[8] (Southern Mexico, Central America)[7] Leucaena
Leucaena
trichandra (Zucc.) Urb. – Hairystamen leadtree (Southern Mexico, Central America)[8] Leucaena
Leucaena
trichodes (Jacq.) Benth. – Hairy leadtree (Southern Central America, Northwestern South America)[8][9]

Hybrids[edit]

Leucaena
Leucaena
× mixtec Leucaena
Leucaena
× spontanea[10]

Formerly placed here[edit]

Acacia glauca
Acacia glauca
(L.) Moench (as L. glauca (L.) Benth.) Lysiloma latisiliquum
Lysiloma latisiliquum
(L.) Benth. (as L. latisiliqua (L.) Gillis) Schleinitzia fosbergii
Schleinitzia fosbergii
Nevling & Niezgoda (as L. insularum var. guamensis Fosberg & B. C. Stone) Schleinitzia insularum (Guill.) Burkart (as L. insularum (Guill.) Däniker)[9]

References[edit]

Wikimedia Commons has media related to Leucaena.

Wikispecies
Wikispecies
has information related to Leucaena

^ a b The Legume
Legume
Phylogeny Working Group (LPWG). (2017). "A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny". Taxon. 66 (1): 44–77. doi:10.12705/661.3.  ^ " Leucaena
Leucaena
Benth". TROPICOS. Missouri Botanical Garden. Retrieved 2010-03-23.  ^ " Leucaena
Leucaena
Benth". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Retrieved 2010-03-23.  ^ "Leucaena". Integrated Taxonomic Information System. Retrieved 23 March 2010.  ^ 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 978-0-521-41421-0.  ^ Glen, Hugh (2004). Sappi What's in a Name?. Jacana Media. p. 39. ISBN 978-1-77009-040-8.  ^ a b c d e f g Nugent, Jeff; Julia Boniface (2004). Permaculture Plants: A Selection (2nd ed.). Chelsea Green Publishing. pp. 24–26. ISBN 978-1-85623-029-2.  ^ a b c d e f g Grandtner, Miroslav M. (2005). Elsevier's Dictionary of Trees. 1. Elsevier. pp. 473–475. ISBN 978-0-444-51784-5.  ^ a b "Species Records of Leucaena". Germplasm Resources Information Network. United States
United States
Department of Agriculture. Retrieved 2010-11-23.  ^ Hartman, T. P. V; J. Jones; N. W. Blackhall; J. B. Power; E. C. Cocking; M. R. Davey (2000). Helmut Guttenberger, ed. "Cytogenetics, Molecular Cytogenetics, and Genome Size in Leucaena
Leucaena
(Leguminosae, Mimosoideae)". Cytogenetic Studies of Forest Trees and Shrubs: Review, Present Status, and Outlook on the Future: Proceedings of the Second IUFRO Cytogenetics Working Party S2.04.08 Symposium, September 6–12, 1998, Graz, Austria: 57–70. 

External links[edit]

Trees portal

ILDIS/LEGUMEWEB

Taxon identifiers

Wd: Q311423 APDB: 192108 EoL: 28132 EPPO: 1LUAG FloraBase: 21515 FoC: 118345 GBIF: 2970337 GRIN: 6761 IPNI: 22786-1 ITIS: 26764 NCBI: 3865 PLANTS: LEUCA

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