Nuevos hallazgos en la polinización de orquídeas brasileñas
Resumen
Because of their remarkable flower morphology, orchids are particularly interesting objects of study. Most orchid species hold their pollen in discrete packs, so-called pollinia (singular; pollinium). These pollinia, together with other pollinium stalks, form more or less complex translatory units, so-called pol- linaria (singular: pollinarium).