Hammand Ahmad JanHassan SherIkram Ur RahmanWahid HussainRipu M. KunwarRainer W. BussmannNarel Y. Paniagua-Zambrana2026-03-222026-03-22202010.1007/978-3-030-45597-2_203-1https://doi.org/10.1007/978-3-030-45597-2_203-1https://andeanlibrary.org/handle/123456789/82271enPolygonaceaeRheum (plant)MaximTraditional medicineBotanyBiologyRheum emodi Wall. Rheum tibeticum Maxim. ex Hook. f. Polygonaceaebook-chapter