A strongly gradated tail, in which the feathers, particularly the long central pair are narrow, is the most conspicous external characteristic of the Genus Psittacula. The bill is robust and heavy with a distinct notch in the upper mandible.
Genus Psittacula is related to Eclectus, Tanygnathus, Polytelis and Alisterus and it is a widely distributed genus and includes one specie, Psittacula krameri, which is the most widely distributed of all parrots.