Secale segetale, the weed rye, is a species of flowering plant in the family Poaceae. It has a nearly Irano-Turanian distribution; the Caucasus, Iraq, Iran, Central Asia, Afghanistan, Pakistan, the western Himalayas, and Xinjiang. An annual reaching , it is typically found as a weed in wheat fields. It can be distinguished from rye (Secale cereale) by its fragile rachis.