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Circaea lutetiana

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Circaea lutetiana, known as enchanter's-nightshade,<ref name=BSBI07>Template:Cite web</ref> is a plant in the evening primrose family, Onagraceae.

The genus name comes from the enchantress Circe of Greek mythology and the specific designation is derived from Lutetia, the Latin name for Paris, which was sometimes referred to as the "Witch City". Despite its name it is not especially toxic, but contains a lot of the astringent tannin.<ref>Alchemy Works Accessed April 2014</ref>


Circaea lutetiana showing the growth form and flowers

Circaea lutetiana is a perennial herbaceous plant with opposite, simple leaves, on slender, green stems. The flowers are white, borne in summer. It grows 20 cm to 60 cm, rarely up to 75 centimeters high.<ref>Natural England. Accessed July 2011</ref>

The leaves are rounded or slightly notched at the base, they narrow gradually to the pointed tip and are not strongly toothed, but have sinuate edges. The leaf stalks are equally hairy all round.<ref>English Country Garden Accessed July 2011</ref>

The flower has 2 notched petals, 2 stamens and a 2-lobed stigma. The open flowers are well spaced along the stalk and there are no bracts at base of individual flower stalks. The fruit consists of 2 equal cells, and usually sets seed. The flower stalks become angled downwards before fruiting.<ref>Plant Identification UK Accessed July 2011</ref> The fruit is a small bur 3.5-5mm<ref name=rhoa /> which aids the plant's dispersal via zoochory.

In winter the aerial parts die off leaving an underground rhizome.

Circaea alpina will hybridize with Circaea lutetiana producing sterile offspring that persists in vegetative colonies.<ref name="rhoa" />


The plant is native to Europe, Middle Asia, Siberia, and the eastern United States and Canada.<ref>Template:Cite web</ref> It grow in woods in deep shade and moist environments on nitrogen-containing clay.

Circaea lutetiana showing flowers and burrs


It is only rarely used as a garden plant. When it is, it is typically of a variety known as 'Caveat Emptor', which has leaves that are heavily mottled pink.


Template:Medical citations needed Circaea lutetiana herb has been used in the traditional Austrian medicine internally as tea, or externally as cold maceration in ethanol, for treatment of rheumatism, gout, infections, and fever.