Geographic variation in reproductive success of Stenocereus thurberi (Cactaceae): Effects of pollination timing and pollinator guild

Abstract

• Premise of the study: It has been proposed that species of columnar cacti from dry tropical areas depend on bats for their reproduction, whereas species from dry subtropical areas are also pollinated by other species. To test this hypothesis, we examined the effects of pollinator guild and of variation in time and space on the reproductive success of a widespread species.