Pithecellobium dulce, Mimosa dulcis
A medium sized tree. Flowers are mimosid, the fruit is legume which opens suddenly when it ripes. The seeds are covered whith a sweet flesh (dulce, the specific name means sweet in spanish and I suspect also in Latin) which attracts dispersors such as birds and even humans.
Its located in wet, dry and seasonally dry tropical forests in the Yucatan Peninsula
On the archaeological site Dzibichaltún