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Atropa bella-donna, commonly known as deadly nightshade or belladonna, is a toxic perennial herbaceous plant in the nightshade family Solanaceae, [1] [2] which also includes tomatoes, potatoes and aubergine (eggplant).
Solanum dulcamara is a species of vine in the genus Solanum (which also includes the potato and the tomato) of the family Solanaceae.Common names include bittersweet, bittersweet nightshade, bitter nightshade, blue bindweed, Amara Dulcis, [3] climbing nightshade, [4] felonwort, fellenwort, felonwood, poisonberry, poisonflower, scarlet berry, snakeberry, [5] [6] [7] trailing bittersweet ...
Sometimes S. nigrum is confused for the more toxic deadly nightshade (Atropa belladonna), which is in a different genus within Solanaceae. A comparison of the fruit shows that the black nightshade berries grow in bunches, whereas the deadly nightshade berries grow individually. Another distinction is black nightshade flowers have white petals.
Solanine is a glycoalkaloid poison found in species of the nightshade family within the genus Solanum, such as the potato (Solanum tuberosum). It can occur naturally in any part of the plant, including the leaves, fruit, and tubers. Solanine has pesticidal properties, and it is one of the plant's natural defenses.
While a few members of this plant family are famously toxic, like belladonna or “toxic nightshade,” it also encompasses many beloved edible fruits and vegetables, including tomatoes, eggplants ...
The aptly named deadly nightshade (Atropa belladonna), for instance, is so toxic it was used as a murder weapon during the Middle Ages. Its berries, however, could be mistaken for blueberries ...
The best-known member of the genus Atropa is deadly nightshade (A. belladonna) – the poisonous plant par excellence in the minds of many. [8] The pharmacologically active ingredients of Atropa species include atropine, scopolamine, and hyoscyamine, all tropane alkaloids having anticholinergic, deliriant, antispasmodic and mydriatic properties.
The species most commonly called nightshade in North America and Britain is Solanum dulcamara, also called bittersweet or woody nightshade (so-called because it is a shrub). Its foliage and egg-shaped red berries are poisonous, the active principle being solanine , which can cause convulsions and death if taken in large doses.