The complete nucleotide sequence of alphasatellite associated with monopartite begomovirus complex isolated from Xanthium strumarium L. originating from Pakistan was determined and analyzed. The sequence of alphasatellite showed highest level of nucleotide sequence identity (96.7%) to an isolate of Gossypium darwinii symptomless alphasatellite and second highest level of sequence identity (85.8%) identity to an isolate of Papaya leaf curl alphasatellite. Its name was proposed as Gossypium darwinii symptomless alphasatellite isolate Xanthium. It is proposed that it can be an isolate of Gossypium darwinii symptomless alphasatellite species.