RhaphithamnusRhaphithamnus is a genus of flowering plants in the family Verbenaceae.Traditionally, it has been considered by the locals that the berries of this genus of plants are toxic or poisonous, so their consumption is not recommended.SpeciesRhaphithamnus spinosus Moldenke. Common names in Chile and Argentina repu, arayan macho and espino negro.Rhaphithamnus venustus Rob.Use in Chilean folk medicineIn the Los Lagos Region of southern Chile, R. spinosus is one of three plant species believed in local folk medicine to be antidotes to the anticholinergic poisoning caused by the dangerous hallucinogenic plant Latua pubiflora. It is used by the shamans of the indigenous Huilliche people who employ Latua to enter trance in machitun healing rituals.