Chelidonium majus (greater celandine; tetterwort, although tetterwort also refers to Sanguinaria canadensis, nipplewort, swallowwort) is a herbaceous perennial plant, the only species in the genus Chelidonium. It is native to Europe and western Asia and introduced widely in North America. While the greater celandine belongs to the poppy family, th... Found on http://en.wikipedia.org/wiki/Chelidonium
This hardy perennial is native to Europe and Asia and is naturalized in eastern North America. It is also known as Celandine, Greater Celandine, or Swallow Wort. C. majus variety Flore Pleno grows 2 or 3 feet high with a spread of 1 foot. It is an erect plant with bright green, deeply cut leaves having rounded lobes. Its bright yellow flowers are s... Found on http://www.encyclo.co.uk/local/10004