Search results
Results From The WOW.Com Content Network
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.
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
Antiaris toxicaria is a tree in the mulberry and fig family, Moraceae.It is the only species currently recognized in the genus Antiaris.The genus Antiaris was at one time considered to consist of several species, but is now regarded as just one variable species which can be further divided into five subspecies.
The toxins also remain stable when dried and stored, with bulbs remaining toxic for two decades after collection. [31] The seeds and the bulbs are the most toxic parts of the plants. [7] A survivor of poisoning said of the experience, "My mouth got tingly, and later the sensation moved down my throat." [32] Human poisonings are rare.
Humans have also fallen victim to zygacine poisoning by mistaking the death camas for other edible plants. In 1994, a man presented to the emergency department with gastrointestinal symptoms, a depressed heart rate and low blood pressure after inadvertently eating plant material derived from a species of Zigadenus . [ 12 ]
The toxic principle in the plant is oenanthotoxin, a polyunsaturated higher alcohol that is a potent convulsant and works by blocking the γ-aminobutyric acid (GABA) system in the brain. The plant is very poisonous to humans and livestock and can cause death if poisoning is left untreated after ingestion.
The term is also used to describe toxic chemicals produced by plants themselves, which function as defensive agents against their predators. Most examples pertaining to this definition of phytotoxin are members of various classes of specialised or secondary metabolites , including alkaloids , terpenes , and especially phenolics , though not all ...
Echium plantagineum, commonly known as purple viper's-bugloss [1], Paterson's curse or Salvation Jane, is a species of the genus Echium native to western and southern Europe (from southern England south to Iberia and east to the Crimea), northern Africa, and southwestern Asia (east to Georgia).