Patricio Yáñez2026-03-222026-03-222021http://erevistas.saber.ula.ve/index.php/pittieria/article/download/17457/21921928663https://andeanlibrary.org/handle/123456789/65480This research was carried out focusing and analyzing nectar production and relating it with the size of two flower components in Erythrina fusca (Fabaceae) in a tropical secondary forest in the southwestern Ecuador. It was also recorded several animals as flowers visitors. Maximum levels of nectar production were between 09:00 am and 12:00 m. Finally, some specific characteristics for young and old flowers were discussed.esFabaceaeNectarErythrinaBiologyBotanyarticle