Though Atropa belladonna is sometimes found as an understory herb, it often occurs in open communities dominated by other plants. Species often associated with the plant include Sambucus nigra, Urtica dioica, Arctium lappa, Mercurialis perennis, Bryonia dioica, Rubus caesius, Glechoma hederacea, Verbascum thapsus, Scrphularia nodosa, Ligustrum vulgare, and Pteridium aquilinum, among others (Butcher 1947).
The plant is protogynous and produces and conceals nectar at the base of its ovaries. Bees, particularly honeybees and bumblebees, are the principal pollinators of A. belladonna (Butcher 1947). Birds, such as pheasants, as well as some insects, including the fleabeetle and Potato beetle, and mammals, including sheep, rabbits, and hares, have also been observed eating parts of the plant (Butcher 1947).
- Butcher, R. W. 1947. Atropa belladonna L. Journal of Ecology 34: 345-353.
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