Prolongoa is a genus of Spanish plants in the chamomile tribe within the daisy family.
SpeciesThe only accepted species is Prolongoa hispanica, native to Spain.
Flickr, Prolongoa hispanica G. López & C. E. Jarvis photo
Roca y Flor, Camino del Pueyo. Prolongoa hispanica in Spanish; photos plus informal description
Flores Silvestres del Mediterráneo, Prolongoa hispanica