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Fabaceae-Mimosoideae family

Leucaena leucocephala
(Lamarck) de Wit
, Taxon 10(2): 54.  1961.
Bas.: Mimosa leucocephala Lamarck (1785).

Naturalized common tree of disturbed dry areas.
Native to Mesoamerica (southern Mexico, Guatemala, Belize)

It is on the "100 of the World's Worst Invasive Alien Species" list.
Here it is a useful pioneer species of the most degraded dry forest and savanna, generally becoming less common as the forest regenerates. However its presence on Gros Piton is unwelcome and there is a danger of it becoming invasive in the event of fires, landslides, or a strong wind event.
A taller more robust variety (K8) was introduced by Department of Forestry to help degraded savanna and grasslands revert to forest, especially between Desbarras and Louvet where it has naturalized.