偃麦草(原亚种) yan mai cao (yuan ya zhong)

Triticum repens Linnaeus, Sp. Pl. 1: 86. 1753; Agropyron junceum (Linnaeus) P. Beauvois var. repens (Linnaeus) M. Marsson; A. repens (Linnaeus) P. Beauvois; Braconotia offici-narum Godron, nom. illeg. superfl.; Elymus repens (Linnaeus) Gould; T. infestum Salisbury, nom. illeg. superfl.; Zeia repens (Linnaeus) Lunell.

Glumes 10–15 mm, apex usually with point 1–2 mm. Lemma ca. 12 mm, apex acuminate or with awn to 2 mm. Fl. and fr. Jul–Aug. 2n = 42*.

Pastures, meadows, waste places. Gansu, Hebei, Heilongjiang, Nei Mongol, Qinghai, Shandong, Sichuan, Xinjiang, Xizang, Yunnan [India, Japan, Korea, Mongolia, Russia; C and SW Asia, Europe; introduced in North America].