TOXIC SEED
Seed: If swallowed, the endosperm will swell in the stomach and intestine, ultimately killing the individual (used as a poison by the Guyana Patamona).
Robertt, A., et al.. Medicinal Plants of the Guianas (Guyana, Suriname, French Guyana)/Smithsonian NMNH. cited online: 17-08-2017.