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Berteroa incana
Also called Hoary alison, Hoary False Alyssum, Hoary False Madwort
Berteroa incana is a species of flowering plant in the mustard family, Brassicaceae. Its common names include hoary alyssum, false hoary madwort, hoary berteroa, and hoary alison. It is a biennial herb native to Eurasia and it has been introduced to western Europe and North America. It is listed as an invasive noxious weed in some areas of United States and Canada
The plant is toxic to horses. Green and dry material is sometimes found in alfalfa feed. Signs of poisoning include lameness due to laminitis and leg edema, stiffness, fever, diarrhea, intravascular hemolysis, hypovolemic shock, premature birth, abortion, gut ulceration, edema of the kidneys, pulmonary edema, and calcium crystals in the urine. It can be fatal, but most horses survive with treatment. The toxic compound is not known.
It is sometimes considered an ornamental plant good for landscaping purposes. It is planted to cover waste ground at mining sites and in urban areas in Europe.
Text excerpted from the Wikipedia article Berteroa incana by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
Pet safety from the ASPCA toxic and non-toxic plant lists.
