1. Low scrubby tree of tropical and subtropical North America having white flowers tinged with yellow resembling mimosa and long flattened pods
   "white popinacs lined the coastal road";
   - lead tree, Leucaena glauca, Leucaena leucocephala

Derived forms: white popinacs

Type of: tree

Part of: genus Leucaena, Leucaena

Encyclopedia: White popinac