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Young plants and seeds are poisonous, causing nausea, muscle twitches, paralysis, and often death. [citation needed] Dicentra cucullaria: bleeding heart, Dutchman's breeches Papaveraceae: All parts of the plant contain neurotoxic alkaloids such as isoquinoline and cucullarine, which are known to be poisonous to cats, cattle, and humans. [107]
May slow clotting; contraindicated for people with bleeding disorders and before and after surgery. May induce uterine contractions; contraindicated when pregnant or nursing. [21] Pyrrolizidine alkaloids (contained in comfrey, borage, senecio, coltsfoot, and others) Liver damage [5] Reserpine: Rauvolfia serpentina
Each flower has six stamens each as long or slightly longer than the tepals. [7] The bracts on the back of the flowers may be green or white and are 5–25 millimeters long. [5] Flowering may comence in April, May, June, or as late as July in its native habitat. [11] [12] The fruit is a capsule 8–20 millimeters long and 4–7 millimeters wide ...
Atropa bella-donna flower. Atropa bella-donna is a branching herbaceous perennial rhizomatous hemicryptophyte, often growing as a subshrub from a fleshy rootstock. Plants can reach a height of 2 m (7 ft) (more commonly 1.5 m (5 ft)), and have ovate leaves up to 18 cm (7 in) long.
Conium maculatum, known as hemlock (British English) or poison hemlock (American English), is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle.
[1] [13] Cicutoxin is very poisonous, and water hemlock is considered one of North America's most toxic plants. [1] [14] Ingestion of Cicuta can be fatal in humans, and there are reports in medical literature of severe poisoning and death as early as 1670. [1] A number of people have also died following ingestion of the plant in the 20th and ...
Some plants may cause mild tummy upset and vomiting when ingested. But, unfortunately, others can cause life-threatening symptoms such as heart problems, seizures, or death, says Dr. Wismer.
All parts of Datura plants contain dangerous levels of anticholinergic tropane alkaloids and may be fatal if ingested by humans, livestock, or pets. In some places, it is prohibited to buy, sell or cultivate Datura plants. [8] Unlike other types of datura, the roots are considered the most potent and alkaloid-rich part of this species.