This study was funded by several research grants provided by the Bilateral Project 'Morphological and genetic diversity of indigenous tropical trees in the Amazon-model study of Inga edulis Mart. in Peruvian Amazon', Czech Academy of Sciences and CONCYTEC, Peru 2011-2012; The Internal Grant Agency of CULS Prague (No. 20145023, No. 20145005); The Scholarship National University of Ucayali, Peru. European Union Lifelong Learning Programme Erasmus Consortium-Practical Placement Scholarship (Certificate No. CZ-01-2009); The Foundation Nadace Nadani Josefa, Marie a Zdenky Hlavkovych, Czech Republic (Foundation Grant); and the Fundacao para a Ciencia e a Tecnologia grant UID/AGR/00239/2013 supported MMR.