Karlik, John F. University of California Cooperative Extension, Bakersfield, California.
Last reviewed:April 2020
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- Toxins found in plants
- Dermal contact
- Irritant contact dermatitis
- Allergic contact dermatitis
- Selected plants and toxicity from ingestion
- Artemisia, sagebrush, and wormwood (Artemisia spp.)
- Castor bean (Ricinus communis)
- Dumbcane (Dieffenbachia spp.)
- Morning glory (Ipomoea spp.)
- Nightshades (Solanum spp.)
- Oleander (Nerium oleander)
- Poinsettia (Euphorbia pulcherrima)
- Poison hemlock (Conium maculatum)
- Preventing plant poisoning
- Related Primary Literature
- Additional Reading
Plants that produce biochemical compounds harmful to humans and other animals. While mechanical injury—for instance, from thorns—is probably the most common cause of human injury from plants, a great number of plants (Fig. 1) can cause injury through ingestion or dermal contact and will be the focus of this article. The toxicity of plants has also been extensively studied with regard to livestock health. See also: Agricultural science (animal); Plant; Poison; Toxicology
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