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