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Fabaceae-Caesalpinioideae family

Caesalpinia pulcherrima
(Linnaeus) Swartz
, Observ. Bot. 166.  1791.
Bas.: Poinciana pulcherrima Linnaeus (1753).

Escaped/naturalized shrub of dry open areas around houses and the sea-shore.
Common on Anse L'Ivrogne delta, Choiseul, otherwise rare.
Cultivated and naturalized throughout tropics, of unknown origin.
Also a cultivated ornamental. Herbal medicinal uses.
 
Its presence on the lower slopes of Gros Piton is worrying - potentially invasive.