Aegilops tauschii 节节麦
Aegilops tauschii, also known as Tausch's goatgrass, is an annual grass seed that is part of the tribe Triticeae, along with wheat and some other cereals. Ae. tauschii is a diploid (2n = 2x = 14, DD) goat grass species which has contributed the D genome in common wheat.