The Lecythidaceae comprise a family of about 20 genera and 250-300 species of woody plants native to tropical South America and Madagascar.According to the most recent molecular analysis of Lecythidaceae by Mori et al. (2007), the three subfamilies are:Two other families are sometimes included in Lecythidaceae; the Scytopetalaceae and Napoleonaeaceae are hypothesized as most closely related to Lecythidaceae.More detailed information about Lecythidaceae, especially the New World taxa, can be found at the Lecythidaceae Pages.The most important member of the family in world trade is the Brazil nut (Bertholletia excelsa), valued for its edible nuts; the paradise nut (Lecythis species) is also eaten.The APG II system of 2003 includes genera from the family Scytopetalaceae in the Lecythidaceae, including Rhaptopetalum and Brazzeia. Careya is called pezham in Malayalam.