
Crescentia alata
taken near lake güija in el salvador not a 100% sue on the species here but was told by a local this was a calabash or gourd tree we did see quite a few gourd like trees throughout central america with a few different types ....hopefully wildflower will know

''Crescentia alata'' is a species in the trumpet-flower family Bignoniaceae and in the calabash trees genus ''Crescentia'', native to southern Mexico and Central America south to Costa Rica.
It is a small tree growing to 8 m tall. It has hard, cannonball-like fruit 7–10 cm diameter, that are difficult to break into. It is believed that these fruit characteristics evolved as a defense mechanism against seed predation by long dead megafauna of the region. However, now it seems to be.. more
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http://lee.ifas.ufl.edu/Hort/GardenPubsAZ/CrescentiaAlataCalabash.pdf Posted 9 years ago