kerria japonica

from The Collaborative International Dictionary of English v.0.48

Corchorus \Cor"cho*rus\ (k[^o]r"k[-o]*r[u^]s), n. [Nl., fr. L.
   corchorus a poor kind of pulse, Gr. ko`rchoros a wild plant
   of bitter taste.] (Bot.)
   The common name of the {Kerria Japonica} or Japan
   globeflower, a yellow-flowered, perennial, rosaceous plant,
   seen in old-fashioned gardens.
   [1913 Webster] Corcle