Daniel M. Larrea‐AlcázarRamiro Pablo López2026-03-222026-03-22201110.1007/s00606-011-0485-4https://doi.org/10.1007/s00606-011-0485-4https://andeanlibrary.org/handle/123456789/48304Citaciones: 21enBiologyPollinatorPollinationCactusSelfingZoophilyHummingbirdMating systemOutcrossingEcologyPollination biology of Oreocereus celsianus (Cactaceae), a columnar cactus inhabiting the high subtropical Andesarticle