Circaea lutetiana is treated here in a wide sense to include the two subspecies Circaea lutetiana subsp. canadensis (L.) Asch. & Magnus and Circaea lutetiana subsp. quadrisulcata (Maxim.) Asch. & Magnus. These two subspecies are sometimes treated as distinct, as Circaea canadensis (L.) Hill and Circaea canadensis subsp. quadrisulcata (Maxim.) Boufford[
If Circaea canadensis becomes accepted as a distinct species, then the reports on medicinal usage from [
], which are listed under the subspecies Circaea lutetiana subsp canadensis, would be transferred to Circaea canadensis.
Carlostephania major Bubani
Circaea canadensis (L.) Hill
Circaea maximowiczii viridicalyx H.Hara
Circaea mollis maximowiczii H.Lév.
Circaea quadrisulcata (Maxim.) Franch. & Sav.
Circaea vulgaris Moench
Regmus lutetianus (L.) Dulac
Common Name: Enchanter's Nightshade
Circaea lutetiana is a herbaceous perennial plant growing from a rhizomatous rootstock. It can grow 15 - 150cm tall, spreading by the roots and forming colonies[
The plant is harvested from the wild for local use as a medicine..
Temprate Eurasia - Atlantic Coast to the Pacific, excluding eastern Siberia; N. America - Manitoba to Ontario, to Mississippi, Georgia; N. Africa
Woods and shady places on a moist, base-rich soil, throughout Britain to 360 metres[
]. Cool-temperate deciduous forests and mixed deciduous-boreal forests; at elevations from near sea level to around 1,500 metres[
Prefers a moist soil and a position in partial shade, growing well in woodland conditions[
The plant has been used as a treatment on wounds[
]. A compound infusion has been drunk and also used as a wash on injured parts of the body[
Seed - sow spring in situ if you have sufficient seed. Otherwise sow in pots in light shade in a cold frame, pricking the seedlings out into individual pots once they are large enough to handle. Plant out in the summer or the following spring.