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The entire plant is poisonous to humans and animals but especially the roots, which contain cardiac glycosides. [161] [162] Menispermum spp. moonseed Menispermaceae: The fruits and seeds are poisonous, causing nausea and vomiting; often fatal. [citation needed] Mentha pulegium: pennyroyal, pennyrile Lamiaceae
The plant is generally considered non-toxic to humans, but the berries are considered toxic to cats and grazing animals. [11] Excessive consumption of the berries will kill birds such as cedar waxwings, [12] because they are subject to cyanide toxicosis, resulting in death to multiple individuals at one time. [13]
The differences in toxicity in poison ivy, poison oak, and poison sumac are due to differences in the side chains of the chemicals in these plants. In general, poison ivy has a C 15 side chain, poison oak has a C 17 side chain and poison sumac has a C 13 side chain. The dermatitis shows itself in painful and long continued swellings and ...
Poison Ivy, a well-known toxic plant common in Texas especially during the spring and summer, causes an itchy painful rash. This is caused by its sap that has a clear liquid called urushiol.
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.
The berries are sweet and are consumed by animals (mainly birds [24]) that disperse the seeds in their droppings, even though they contain toxic alkaloids (see Toxicity). [25] There is a pale-yellow flowering form with pale yellow fruit called Atropa bella-donna var. lutea.
Solanum pseudocapsicum is a nightshade species with mildly poisonous fruit. [1] It is commonly known as the Jerusalem cherry, [2] Madeira winter cherry, or, ambiguously, "winter cherry". These perennials can be grown decoratively as house plants, but in some areas of South Africa, India, Australia and New Zealand it is regarded as a weed.
The attractive berries are extremely poisonous to many animals, including humans, but harmless to birds, which eat them and propagate the seeds. [9] They contain oxalates of saponins , which have needle-shaped crystals that irritate the skin, mouth, tongue, and throat, and result in swelling of throat, difficulty breathing, burning pain, and ...