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The plant is poisonous, containing cardiostimulant compounds such as adonidin and aconitic acid. [42] Aesculus hippocastanum: horse-chestnut, buckeye, conker tree Sapindaceae: All parts of the raw plant are poisonous due to saponins and glycosides such as aesculin, causing nausea, muscle twitches, and sometimes paralysis. [43] Agave spp.
The hooded pitohui.The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.. The following is a list of poisonous animals, which are animals that passively deliver toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.
The lethal dose of green plant material is between 0.6% and 6.0% of an animal's body weight. [35] In experiments with sheep it was among the most poisonous of members of its genus with just 0.4% of green material by body weight causing symptoms, close to the 0.2% of Toxicoscordion nuttallii .
Dogbane, dog-bane, dog's bane, [citation needed] and other variations, some of them regional and some transient, are names for certain plants that are reputed to kill or repel dogs; "bane" originally meant "slayer", and was later applied to plants to indicate that they were poisonous to particular creatures. [citation needed]
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.
Early writers used quail as the standard example of an animal that could eat something poisonous to man without ill effects for themselves. Aristotle ( On Plants 820:6-7), Philo ( Geoponics : 14: 24), Lucretius ( On the Nature of Things : 4: 639–640), Galen ( De Temperamentis : 3:4) and Sextus Empiricus (Outlines of Pyrrhonism: 1: 57) all ...
In terms of its potential to cause urushiol-induced contact dermatitis, poison sumac is far more virulent than other Toxicodendron species, even more virulent than poison ivy and poison oak. According to some botanists, T. vernix is the most toxic plant species in the United States (Frankel, 1991).
Some animals use their toxins in multiple ways, and can be classified as poisonous, toxungenous, and/or venomous. Examples include the scorpion Parabuthus transvaalicus, which is both toxungenous (can spray its toxins) and venomous (can inject its toxins), [21] [22] and the snake Rhabdophis tigrinus, which is poisonous (sequesters toad and/or firefly toxins in its nuchal gland tissues that are ...