The burdock plant is actually considered to be a weed. It is used by some burn care workers for pain management and to speed healing time. Burn care workers hold that it eases dressing changes and appears to impede bacterial growth on the wound site and that it also provides a great moisture barrier.
Here is a larger picture of the burdock flower than I put in the Burdock Leaves – An Innovative Burn Treatment article. This larger picture will help you identify the plant.