Narel Y. Paniagua-ZambranaRainer W. BussmannCarolina Romero2026-03-222026-03-22202010.1007/978-3-030-28933-1_250https://doi.org/10.1007/978-3-030-28933-1_250https://andeanlibrary.org/handle/123456789/82989enPolygonaceaeRheum (plant)Traditional medicineBotanyBiologyRheum officinale Baill. Rheum palmatum L. Polygonaceaebook-chapter