Located in the leaf pouches of  H. physophora are extrafloral nectaries, which provide the ants with nectar made by the plant, though this looks like simple parasitism by the ants, the plant also benefits greatly from this relationship.
Located in the leaf pouches of  H. physophora are extrafloral nectaries, which provide the ants with nectar made by the plant, though this looks like simple parasitism by the ants, the plant also benefits greatly from this relationship.