Ephedra przewalskii is a species of Ephedra that is native to Central Asia, Mongolia, Pakistan, and parts of China (Gansu, Inner Mongolia, Ningxia, Qinghai, and Tibet).Kew World Checklist of Selected Plant FamiliesFlora of China, Vol. 4 Page 98, 膜果麻黄 mo guo ma huang, Ephedra przewalskii Stapf, Österr. Akad. Wiss. Math.-Naturwiss. Kl., Denkschr. 56(2): 40. 1889.

It was originally described by Otto Stapf in 1889 and placed in section Alatae, tribe Tropidolepides. In 1996 Robert A. Price left E. przewalskii in section Alatae without recognizing a tribe.Price, R. A. (1996). Systematics of the Gnetales: A review of morphological and molecular evidence. International Journal of Plant Sciences, 157(6): S40-S49.

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