Psilopeganum

Psilopeganum is a genus of flowering plants of the family Rutaceae.

[1] It is a monotypic genus, with only a single species: Psilopeganum sinense (Chinese: 山麻黄; pinyin: shān má huáng, not to be confused with Ephedra/ma huang).

It is native to the Three Gorges Reservoir area, in the Hubei province of central China, where it has become endangered.

A specimen exists at the New York Botanical Garden.

[2] Psilopeganum sinense is one of the 50 fundamental herbs used in traditional Chinese medicine.