Celandine
CELANDINE, noun A plant, swallow-wort, horned or prickly poppy, growing on old walls, among rubbish, and in waste places. The lesser celandine is called pile-wort, a species of Ranunculus. The name is also given to the Bocconia, a plant of the West Indies, called the greater tree-celandine. The true orthography would be Chelidine.