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All parts of these plants are toxic, due to the presence of alkaloids. Grazing animals, such as sheep and cattle, may be affected and human fatalities have occurred. [106] Delphinium spp. larkspur Ranunculaceae: Contains the alkaloid delsoline. Young plants and seeds are poisonous, causing nausea, muscle twitches, paralysis, and often death.
Atropa bella-donna has a long history of use as a medicine, cosmetic, and poison. [14] [4] [15] Known originally under various folk names (such as "deadly nightshade" in English), the plant was named Atropa bella-donna by Carl Linnaeus (1707–1778) when he devised his classification system.
All helleborus plants are toxic, and all parts of the helleborus plant are toxic. [36] [37] Hellebore poisoning is rare, but it does occur. [36] Hellebore plants are usually left alone by animals such as deer and rabbits because the leaves of the plant produce poisonous alkaloids, making them distasteful to animals.
The "camas" part of its name is due the resemblance of the bulbs to those of the edible Camassia flowers. [24] Other common names include "poison onion" and "poison camas". [25] In the Northern Pomo language all members of the genus including this species are called "tsim’bu" meaning "harmful bulb". [26]
Datura is a genus of nine species of highly poisonous, vespertine-flowering plants belonging to the nightshade family (). [1] They are commonly known as thornapples or jimsonweeds, but are also known as devil's trumpets or mad apple [2] (not to be confused with angel's trumpets, which are placed in the closely related genus Brugmansia).
Brugmansia sanguinea. Brugmansia are large shrubs or small trees, with semi-woody, often many-branched trunks. They can reach heights of 3–11 m (10–36 ft). The leaves are alternately arranged along the stems, generally large, 10–30 cm (4–12 in) long and 4–18 cm (2–7 in) across, with an entire or coarsely toothed margin, and are often covered with fine hairs.
It was known by the common name "poinsettia" as early as 1836, [8] derived from Joel Roberts Poinsett, a botanist and the first US Minister to Mexico. [9] Possibly as early as 1826, Poinsett began sending poinsettias from Mexico back to his greenhouses in South Carolina. [10] Prior to poinsettia, it was known as "Mexican flame flower" or ...
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 ...