Triticum carthlicum Nevski, 1934, the Persian wheat, is a wheat with a tetraploid genome.
Some scholars refer to it as T. turgidum subspecies carthlicum. Recent research suggest that T. carthlicum originated from a cross between domesticated emmer wheat and T. aestivum.
T. carthlicum is the source of ', a resistance gene encoding a MCTP kinase used in hexaploid wheat. Pmb4 confers powdery mildew resistance.