Elecampane (Inula helenium) is a plant I've always meant to grow. Obligingly this one has self-seeded on the allotment from a handsome stand on the neighbouring plot.

 I. helenium is native to West and Central Asia but an ancient introduction on these shores. It was known to both the Celts and the Romans. Much plant lore is associated with the properties of Elecampane; herbalists regard it as medicinal and elves consider it to be magical.