ÑÜRÜM, Panama — Isidrio Hernandez-Ruiz has a soft spot for the bright yellow flowers of the guayacan trumpet tree (Handroanthus guayacan), a native species that blooms across Panama each spring. It’s one of many reasons why Hernandez-Ruiz, a rural farmer known locally as a campesino, chose to participate in a reforestation effort to plant native […]