Fruits of the six species of Pisonia from Puerto Rico. A P. aculeata B P. albida C P. horneae D P. roqueae E P. subcordata F P. taina. Reference specimens: A Rose 3548, US B Little 13219, US C Acevedo-Rdgz. 13404, US D Proctor 44432, US E Breckon 7766, US; and F Trejo 2371, US.

 
 
  Part of: Caraballo-Ortiz MA, Trejo-Torres JC (2017) Two new endemic tree species from Puerto Rico: Pisonia horneae and Pisonia roqueae (Nyctaginaceae). PhytoKeys 86: 97-115. https://doi.org/10.3897/phytokeys.86.11249