Atropa bella-donna

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a specific geographical distribution across several regions of the European continent. In Northern Europe, it can be found growing in Denmark and throughout Great Britain. Its presence also extends to the island of Ireland within the same northern region. Furthermore, the species is documented in Sweden, marking another significant northern territory. Finally, the distribution reaches into Middle Europe, where it is located in Austria.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Atropa belladonna is characterized by its ability to thrive in a variety of transitional and disturbed environments. It is commonly found inhabiting cut-over forests, dense woodlands, and forest edges, where it benefits from the interplay of light and shade. The species also populates meadows and shrubberies, demonstrating a preference for areas with nutrient-rich, calcareous soils. Furthermore, its distribution extends into mountainous regions, allowing it to occupy diverse altitudinal gradients within these varied ecosystems.

Habitat :

cut-over forest, forest, forest edges, meadows, mountains, shrubberies

Life history

The life history of Atropa belladonna is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. It functions as a hemicryptophyte, a life form where the perennating buds are located at the soil surface, protected by leaf litter or soil during unfavorable conditions. Furthermore, the species exhibits deciduousness, shedding its foliage annually as it transitions through its seasonal growth stages.

Deciduousness :

deciduous

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Atropa belladonna is characterized by a growth form classified as both a herb and a forb, exhibiting a non-woody structure. It is a terrestrial plant that functions as an independent organism, rather than a parasite or an epiphyte. In terms of its physical stature, the plant is self-supporting and does not act as a climber, with a height that typically ranges from a minimum of 0.5 m to a maximum of 2 m, maintaining an average plant height of approximately 1.08 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

2 m

Plant height mean:

1.08333333333333 m

Plant height min:

0.5 m

Woodiness :

non-woody

Physiology

The physiology of Atropa belladonna is characterized by a C3 photosynthetic pathway, utilizing standard carbon fixation processes typical of temperate herbaceous perennials. As a non-carnivorous species, it relies entirely on soil-based nutrient uptake rather than supplemental insectivory. The plant's vegetative morphology is defined by its leaf architecture, which exhibits significant variability; leaf length typically averages 16 cm, ranging from a minimum of 7 cm to a maximum of 25 cm, while leaf width averages 7 cm, spanning from a minimum of 3 cm to a maximum of 12 cm. This variation results in a mean leaf size of approximately 82.58625 cm². Furthermore, the leaf structure is characterized by a mean Specific Leaf Area (SLA) of 286.75 cm²/g, reflecting the metabolic investment and resource allocation strategies within its foliage.

Carnivory :

non-carnivorous

Leaf length max:

25 cm

Leaf length mean:

16 cm

Leaf length min:

7 cm

Leaf size mean:

82.58625 cm²

Leaf width max:

12 cm

Leaf width mean:

7 cm

Leaf width min:

3 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

286.75 cm²/g

Reproduction

The reproduction of Atropa belladonna is characterized by a sexual cycle that relies on biotic processes, as asexual reproduction is absent. The flowering period typically begins in June and concludes in August. During this stage, the plant utilizes a biotic pollination syndrome, specifically mediated by insects, to ensure successful fertilization, as self-fertilization is noted to be absent. Following pollination, the plant develops a berry-type fruit that is indehiscent. These fruits possess a mean length of 0.62 cm, with a mean width of approximately 1.10 cm (ranging from a minimum of 1.5 cm to a maximum of 2 cm). The seeds contained within the fruit are quite small, featuring a mean mass of 0.0009721334 g, with individual seed masses ranging from a minimum of 0.00008 g to a maximum of 0.00141 g. Dispersal is achieved through a zoochorous syndrome, specifically via endozoochory, where seeds are dispersed after being ingested by animals.

Dehiscence :

indehiscent

Dispersal syndrome :

zoochorous

Dispersal syndrome :

endozoochorous

Flowering time :

Jun

Flowering time :

Aug

Fruit length mean:

0.62 cm

Fruit type :

berry

Fruit width max:

2 cm

Fruit width mean:

1.09666666666667 cm

Fruit width min:

1.5 cm

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.00141 g

Seed mass mean:

0.0009721334 g

Seed mass min:

8e-05 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Atropa bella-donna has 29 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include ATROPINE, Apoatropine, Atropamine, Belladonnine, Cuscohygrine.

ATROPINE

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Apoatropine

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Atropamine

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Belladonnine

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Cuscohygrine

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Esculetin

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HOMATROPINE

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Hellaradine

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L-Hyoscyamine

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Meteloidine

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Activities

Atropa bella-donna has 187 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include 5-Lipoxygenase-Inhibitor, ANS-Paralytic, ANS-Stimulant, Absorbent, Addictive.

5-Lipoxygenase-Inhibitor

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ANS-Paralytic

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ANS-Stimulant

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Absorbent

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Addictive

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Additive

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Aldose-Reductase-Inhibitor

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Allelochemic

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Allergenic

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Amnesigenic

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