杂生小麦 za sheng xiao mai

Triticum orientale Percival, Wheat Pl. Monogr. 155, 204. 1921, not M. Bieberstein (1808); T. durum Desfontaines subsp. turanicum (Jakubziner) L. B. Cai; T. percivalianum Parodi, nom. illeg. superfl.; T. turgidum Linnaeus convar. turanicum (Jakubziner) Mackey; T. turgidum subsp. turanicum (Jakubziner) A. Löve & D. Löve.

Culms 120–130 cm tall; upper internodes solid. Leaf blade nodding, long, puberulent. Spike lax, 9–15 × ca. 1 cm; rachis tough, margin ciliate; internodes 5–6.5 mm. Spikelets 16–20 mm, with 3–5 florets (perfect florets 3 or 4). Glumes narrow, 12–15 × ca. 4 mm, keel distinct, puberulent, apex acute, tooth very short. Lemma awn nearly black, 14–16 mm, scabrous. Palea equaling lemma. Caryopsis usually free from lemma and palea, 10–12 × ca. 3 mm, vitreous. Fl. and fr. Jun–Jul. 2n = 28.

Usually in fields mixed with other Triticum, rarely cultivated for food in China. Xinjiang [Kazakhstan, Kyrgyzstan, Russia, Turkmenistan, Uzbekistan; SW Asia (Iran)].