We recently got back from a trip to the Azores and what a fantastic place it is to visit. Apart from the hydrangeas and belladonnas which are along every roadside we also saw a huge number of tallish cane-stemmed flowering plants with many buff-coloured flowers. We were told they were "ginger lilies" and it is true the root does taste of ginger ! Does anyone know anything more about them ? A botanical name would be wonderful.