Complex sentence: 'Jacqueline Hillier' is a cultivar of the natural hybrid "Ulmus × elegantissima" Horwood which originated from a specimen found in a Birmingham, England garden circa 1960.
Split into simpler sentences: 'Jacqueline Hillier' is a cultivar of the natural hybrid "Ulmus × elegantissima" Horwood found in the Midlands, England. The cultivar originated from a specimen found in a Birmingham, England garden circa 1960.