PsilopeganumPsilopeganum is a genus of flowering plants of the family Rutaceae.CharacteristicsIt is a monotypic genus, with only a single species: Psilopeganum sinense.DistributionIt 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].Medicinal usesPsilopeganum sinense is one of the Chinese herbology#50 [fundamental herbs|50 fundamental herbs] used in traditional [Chinese medicine].