Psittacanthus calyculatus, (erva de passerinho), is a species of neotropical mistletoe in the family Loranthaceae, native to Colombia,
Mexico , the Mexican Gulf and Venezuela.
Psittacanthus calyculatus is hairless, with nearly terete branches. The leaves are opposite and ovate or lanceolate, having almost no petiole, and without veins.
The inflorescences are terminal and in groups of three yellow to scarlet flowers which have cup-shaped bracts under them.
In October or November, the fruit matures, ...