Circaea canadensis


Circaea canadensis, known as eastern enchanter's nightshade, Canada enchanter's nightshade, broad-leaved enchanter's nightshade, is a perennial herbaceous plant found in forests of eastern North America. It is very similar to its sister species, Circaea lutetiana, and was formerly considered conspecific.

Taxonomy

Circaea canadensis was considered a variety of Circaea lutetiana by Carl Linnaeus in 1753. In 1765 the botanist John Hill published a description of it as a species creating its accepted name. It is classified in the genus Circaea within the Onagraceae family. According to Plants of [the World Online] it has two accepted subspecies
  • Circaea canadensis subsp. canadensis
  • Circaea canadensis subsp. quadrisulcata
It has synonyms of the species or one of its subspecies.