Pisonia horneae. A Branch showing adaxial side of leaves B Abaxial side of leaves C Staminate (left) and pistilate (right) flowers at anthesis D Seedlings E Bark F Lower trunk of an adult tree. Note the characteristic swollen base observed in all Pisonia from Puerto Rico, where the trunk base wraps over the rocks as it grows. Photo credits: A–B, E–F: JCTT; C–D: MACO.

 
 
  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