Capparis spinosa L., Sp. Pl.: 503 (1753);
Medit. to Mongolia and Indian Subcontinent, Philippines to W. & S. Pacific: Afghanistan, Albania, Algeria, Baleares, Caroline Is., Chad, Cook Is., Corse, Cyprus, East Aegean Is., Egypt, Fiji, France, Greece, Gulf States, India, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Lebanon-Syria, Lesser Sunda Is., Libya, Marianas, Marshall Is., Mongolia, Morocco, Nauru, Nepal, New Caledonia, New Guinea, Niue, North Caucasus, Oman, Pakistan, Palestine, Philippines, Pitcairn Is., Portugal, Samoa, Sardegna, Saudi Arabia, Sicilia, Sinai, Society Is., Solomon Is., Spain, Tadzhikistan, Tonga, Transcaucasus, Tuamotu, Tubuai Is., Tunisia, Turkey, Turkmenistan, Uzbekistan, Vanuatu, Wallis-Futuna Is., West Himalaya, Xinjiang, Yemen, Yugoslavia as per POWO;

Capparaceae: Capparis spinosa L.: 1 image.
location/date: University of Agricultural Sciences campus, Bangalore, July 1997

There are many subspecies and varieties in this as per POWO.
Being a planted species, I find it difficult to exactly place it.





POWO  Catalogue of Life
A taxonomic revision of the Capparis spinosa group (Capparaceae) from the Mediterraneanto Central Asia Phytotaxa 174 (1): 001–024 (2014) by SILVIO FICI