Leucaena
Leucaena is a genus of flowering plants in the mimosoid clade of the subfamily Caesalpinioideae of the legume family Fabaceae. It contains about 24 species of trees and shrubs, which are commonly known as leadtrees. They are native to the Americas, ranging from Texas in the United States south to Peru. The generic name is derived from the Greek word λευκός, meaning "white," referring to the flowers.Uses
Leucaena species are grown for their variety of uses, including as green manure, a charcoal source, livestock fodder, and for soil conservation. The seeds can be used as beads. Leucaena planted for firewood on an area of 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.
Some species have edible fruits and seeds. The seeds of 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.- Leucaena collinsii Britton & Rose - Collins leadtree
- Leucaena confertiflora Zárate
- Leucaena cuspidata Standl.
- Leucaena diversifolia Benth. - Diverseleaf leadtree
- Leucaena esculenta Benth. - Esculent leadtree
- Leucaena greggii S.Watson
- Leucaena guatemalensis
- Leucaena involucrata Zárate
- Leucaena lanceolata S.Watson
- Leucaena lempirana C.E.Hughes
- Leucaena leucocephala de Wit - White leadtree
- Leucaena macrophylla Benth. - Bigleaf Leucaena
- Leucaena magnifica C.E.Hughes
- Leucaena matudae C.E.Hughes
- Leucaena multicapitula Schery
- Leucaena pallida Britton & Rose
- Leucaena pueblana Britton & Rose
- Leucaena pulverulenta Benth. - Great leadtree. It's known in Mexico as "tepeguaje" or "tepehuaje"
- Leucaena retusa Benth. - Littleaf leadtree
- Leucaena salvadorensis Standl. ex Britton & Rose
- Leucaena shannonii Donn.Sm. - Shannon leadtree
- Leucaena trichandra Urb. - Hairystamen leadtree
- Leucaena trichodes Benth. - Hairy leadtree
Hybrids
- Leucaena × mixtec
- Leucaena × spontanea
Formerly placed here
- Acacia glauca Moench
- Lysiloma latisiliquum Benth.
- Schleinitzia fosbergii Nevling & Niezgoda
- Schleinitzia insularum Burkart