Rameshwar BhattaraiHassan SherIkram Ur-RahmanRipu M. KunwarMaroof AliRainer W. BussmannNarel Y. Paniagua-Zambrana2026-03-222026-03-22202010.1007/978-3-030-45597-2_193-1https://doi.org/10.1007/978-3-030-45597-2_193-1https://andeanlibrary.org/handle/123456789/82474enBotanyBiologyPolygonatum cirrhifolium (Wall.) Royle Polygonatum multiflorum (L.) All. Polygonatum verticillatum (L.) All. Asparagacaebook-chapter