二棱大麦(原变种) er leng da mai (yuan bian zhong)

Hordeum vulgare Linnaeus convar. distichon (Linnaeus) Alefeld; H. vulgare subsp. distichon (Linnaeus) Koernicke; H. vulgare var. distichon (Linnaeus) J. D. Hooker.

Central spikelet: caryopsis adherent to lemma and palea. Fl. and fr. Jul–Aug. 2n = 14.

Cultivated as a fodder plant, or a weed in fields of Hordeum vul-gare. Hebei, Qinghai, Xizang [widely cultivated in temperate regions].