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The plant is toxic enough to cause human and animal fatalities if ingested. Every part of the plant is poisonous, especially the tuberous rhizomes. As with other members of the Colchicaceae, this plant contains high levels of colchicine, a toxic alkaloid. It also contains the alkaloid gloriocine.
Toxic effects include vomiting, seizures, and an irregular heartbeat, and death can occur in as little as a few hours. This poison is known as "the poison that keeps on killing" because the toxin stays in the body after the animal dies, so if a predator eats the animal, the predator gets poisoned, and so on up the food chain.
Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the flowering plant family Fabaceae: Oxytropis and Astragalus in North America, [1] and Swainsona in Australia.
Hungry or thirsty horses are more likely to eat poisonous plants, as are those pastured on overgrazed lands. [5] Animals with mineral deficiencies due to poor diets will sometimes seek out poisonous plants. [6] Poisonous plants are more of a danger to livestock after wildfires, as they often regrow more quickly. [7]
Pokeweed. This fast-growing plant, with large green leaves and dark berries in the fall, is poisonous and has been known to kill livestock that eat pokeweed growing in pastures. How to avoid toxic ...
Death camas is prevalent throughout North America and is frequently the source of poisoning for outdoor enthusiasts and livestock due to its resemblance to other edible plants such as the wild onion. [1] Despite this resemblance, the death camas plant lacks the distinct onion odor and is bitter to taste. The effects of zygacine consumption are ...
What does poison ivy look like? Poison ivy can grow as a vine or a small shrub, trailing along the ground or even climbing low plants, trees and poles.Look for three glossy leaflets. The common ...
In addition to cattle, the plants are also poisonous to horses, goats, and sheep. Signs of poisoning in these animals include depression and lethargy, placement of hind feet close together (horses, goats, cattle) or held far apart (sheep), nasal discharge, excessive salivation, arched body posture, and rapid or difficult breathing. [citation ...