| Circaea lutetiana | |
|---|---|
| |
| Botanical illustration from Flora von Deutschland Österreich und der Schweiz (1885) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Circaea |
| Species: | C. lutetiana
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| Binomial name | |
| Circaea lutetiana | |
| Synonyms | |
| |
Circaea lutetiana, known as broad-leaved enchanter's nightshade,[1] 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.[2]
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Enchanters Nightshade with John Feehan in August, Wildflowers of Offaly series
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Enchanter's Nightshade (Circaea Lutetiana) - 2012-06-27
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Canadian Sanicle Uses & Identification
Transcription
Description
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.[3]
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.[4]
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.[5] The fruit is a small bur 3.5-5mm[6] 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.[6]
Distribution
The plant is native to Europe, Middle Asia, and Siberia.[7] North American populations are now considered to be a separate species, Circaea canadensis. It grows in woods in deep shade and moist environments on nitrogen-containing clay.
Gardening
It is cultivated as an ornamental garden plant. It prefers a shaded position in rich, moist soil.[8] The cultivar 'Caveat Emptor' has leaves that are heavily mottled pink.
References
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ Alchemy Works Accessed April 2014
- ^ Natural England. Archived 2011-08-10 at the Wayback Machine Accessed July 2011
- ^ English Country Garden Accessed July 2011
- ^ Plant Identification UK Accessed July 2011
- ^ a b Rhoads, Ann; Block, Tim (5 September 2007). The Plants of Pennsylvania (2nd ed.). ISBN 978-0-8122-4003-0.
- ^ "Plants Profile for Circaea lutetiana (broadleaf enchanter's nightshade)". plants.usda.gov. Retrieved 2016-06-26.
- ^ "Circaea lutetiana". RHS. Retrieved 28 June 2021.
This page was last edited on 19 August 2022, at 21:28