Narel Y. Paniagua-ZambranaRainer W. Bussmann2026-03-222026-03-22202010.1007/978-3-030-28933-1_129https://doi.org/10.1007/978-3-030-28933-1_129https://andeanlibrary.org/handle/123456789/82891enGeraniumGeraniaceaeBotanyBiologyHorticultureGeranium ayavacense Willd. ex Kunth Geranium humbloldtii Willd. ex Spreng. Geranium sessiliflorum Cav. Geraniaceaebook-chapter