Fruit of the Sandpiper Vine. These are small pods which open to release seeds. Photo from the Zamboa Rainforest lodge, central Panama. Dilleniaceae Family.
This neotropical vine or liana goes by names such as Sandpiper Vine and Bejuco de Fuego. Its caustic bark can cause injury, but is also a disinfectant. Photo from Kuna Yala Mountains of Panama.