Monkshood
A striking blue-violet garden and mountain flower containing potent toxic alkaloids.
Atropa belladonna
Русское название: Красавка белладонна
A highly poisonous nightshade containing tropane alkaloids. Dark glossy berries can tempt children and cause severe poisoning. It is unsuitable for home herbal experiments and needs care in public gardens.

Do not use photographs or online summaries to identify wild plants for eating or medicinal use. Some poisonous plants resemble edible species and even handling certain species can cause harm. If poisoning is suspected, contact your local poison service or urgent medical care. Do not wait for symptoms.
Poison Control: poisonous plants (US) ↗Europe, North Africa and western Asia
Woodland edges and calcareous soils
Images and brief descriptions are for learning, not for reliably identifying a specimen. Take particular care with poisonous plants and mushrooms.
Identification is never guaranteed by a photo. Scientific names are used to reduce confusion between local names.