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Circaea ×intermedia
Scientific Name: Circaea ×intermedia
Family: Onagraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Circaea intermedia
Also known as Intermediate Enchanter's-nightshade, Klein heksenkruid (Dutch), and Erba maga ibrida (Italian), Circaea intermedia is a plant belonging to the genus Circaea.
Taxonomy and Nomenclature
- Scientific Name: Circaea intermedia Ehrh. (pro sp.)
- Family: Onagraceae (Evening Primrose Family)
- Synonyms:
- Circaea lutetiana var. intermedia (Ehrh.) Hornem
- Hybrid Origin: Often considered a hybrid between Circaea alpina and Circaea lutetiana (Circaea alpina x lutetiana)
Distribution and Habitat
Circaea intermedia is found in shaded areas, including woods, scrub, rock crevices, and sometimes in gardens and on disturbed roadsides. It tends to be more upland than C. lutetiana. It has been observed in various locations, including Valcea, Romania; Jylland, Denmark; and eastern North America, specifically Ontario.
Morphological Characteristics
- A perennial herb.
- Flowers are typically small and white, around 6-9 mm long.
- Leaves are ovate or slightly heart-shaped, with scalloped-toothed edges and a glossy appearance, typically 20-40 cm high.
Interactions with Other Organisms
- Viscin threads are present on the exine.
Quirky Facts
- The apical dominance in dormant tubers of Circaea intermedia prevents the extension of lateral buds under favorable conditions.
- In Italian folklore, the plant is known as "Erba maga ibrida", which translates to "hybrid wizard herb".
Further Information
- Integrated Taxonomic Information System (ITIS)
- The Plant List
- IPNI (International Plant Names Index)
- Australian Plant Name Index
- NYBG (New York Botanical Garden) Virtual Herbarium