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Mountain Laurel (Kalmia latifolia)

Description

“Pet poisonous” - Toxic to Dogs Kalmia latifolia, commonly called mountain laurel,calico-bush, or spoonwood, is a broadleaved evergreen shrub in the heather family, Ericaceae, that is native to the eastern United States. Its range stretches from southern Maine south to northern Florida, and west to Indiana and Louisiana. Mountain laurel is the state flower of Connecticut and Pennsylvania. It is the namesake of Laurel County in Kentucky and the city of Laurel, Mississippi (founded 1882). Mountain laurel is poisonous to several different animals, including horses, goats, cattle, deer,monkeys, and humans, due to grayanotoxin and arbutin. The green parts of the plant, flowers, twigs, and pollen are all toxic, including food products made from them, such as toxic honey that may produce neurotoxic and gastrointestinal symptoms in humans eating more than a modest amount. Symptoms of toxicity begin to appear about 6 hours following ingestion. Symptoms include irregular or difficulty breathing, anorexia, repeated swallowing, profuse salivation, watering of the eyes and nose, cardiac distress, incoordination, depression, vomiting, frequent defecation, weakness, convulsions, paralysis,e coma, and eventually death. Necropsy of animals who have died from spoonwood poisoning show gastrointestinal hemorrhage.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum: Magnoliophyta

        • Class: Magnoliopsida

          • Order: Ericales

            • Family: Ericaceae

              • Genus: Kalmia