Scientific name: Symphytum officinale
The leaves are tall, rigid and very prickly to the touch, to 1 foot tall, 5 inches wide on hollow, bristly stems. The flowers are purple-pink, hanging in bell-like clusters from the tips of the stems. Propagate from even the smallest piece of root. Plant does not often produce seed. Comfrey contain allantoin that increases the healing of wounds. It also stops bleeding, is soothing and is used to treat inflammation, rashes, varicose veins, hemorrhoids and just about any skin problem. Use the entire plant.
This is a photo from the Wikimedia Commons.