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Enchanter's Nightshade Back to Plant Page
Circaea alpina

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About Enchanter's Nightshade (Circaea alpina) Circaea alpina commonly called enchanter's nightshade or small enchanter's nightshade is a 10-30 cm tall perennial herb with opposite, petioled, leaves. The petioles have a wing beneath. The leaves are ovate, 2-6 cm and coarsely dentate. The flowers and fruits are clustered near the top of the fruiting raceme; each raceme bears 15 or less white or pink flowers in July. The seed is a bur with one seed. C. alpina prefers a moist, upland habitat. C. alpina can reproduce vegetaively and via stolons. Circaea alpina is distributed throughout all of Canada and North Carolina through Maine and New Mexico through Washington. Circaea alpina is distributed throughout all of Canada and North Carolina through Maine and New Mexico through Washington. Hybrids. Circaea alpina will hybridize with Circaea lutetiana producing sterile offspring that persists in vegetative colonies.
Plant Description
Plant Type
Perennial herb

Max. Height
4 - 11.8 in (10.2 - 30 cm)


Growth Rate

Flower Color

Flowering Season

Native Status

Natural Setting
Sun, Part Shade

Elevation ?
135' - 10303'

Annual Precip. ?
16.2" - 151.6"

Summer Precip. ?
0.40" - 5.67"

Coldest Month ?
25.6° F - 48.2° F

Hottest Month ?
48.9° F - 72.2° F

Humidity ?
0.33 vpd - 21.72 vpd

Soil Description
Prefers loamy soils

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Small Enchanter's Nightshade

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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