Nectaries are located at the base of the filaments welded to the tube, forming a chamber. The nectary consists of the epidermis with distinctive features in each genus, a secretory parenchyma which ...

Those three visitors perforated the base of the corolla tube in all visits searching for nectar, which classifies them as nectar robbers. Apis mellifera, T. spinipes, wasps, butterflies and ants were ...