Answer
Answer
Feverfew, or carrot weed, is an unwelcome plant, which is also known as the scourge of India. This species has developed a wide ecologic niche in India after it was accidentally imported with a consignment of wheat from the United States.
The Indian plant contains large amounts of sesquiterpene lactones (SQLs) and produces a severe widespread dermatitis, which occurs predominantly in men. The dermatitis resembles ragweed dermatitis. [7, 8, 9]
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Media Gallery
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Young poison ivy plant Toxicodendron radicans. The leaves of 3 are easily identified. Reprinted with permission from WB Saunders.
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Mature poison ivy Toxicodendron radicans. Fruit arises in an axillary position in the angle between the leaf and the branch.
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Mature gingko tree, Ginkgo biloba, growing in Frederick, Md.
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Ginkgo biloba has a characteristic bilobed leaf.
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Daisy flower, Leucanthemum species, with characteristic flower heads of the Asteraceae family.
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Finger of a florist with an eczematous plaque caused by sensitivity to tulipalin A, the allergen contained in Peruvian lilies (family Alstroemeria).
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Airborne contact dermatitis in a patient who is allergic to sesquiterpene lactones. The involvement of the anterior part of the neck seen here is typically absent in photodermatoses. Courtesy of Dirk Elston, MD.
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Irritant reaction on the scrotum after contact with garlic (Allium sativum). Courtesy of Martin Giandoni, MD. Reprinted with permission from Cutis 67: 193, 2001.
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Tulipa species (Liliaceae). Reprinted with permission from Cutis (2003;71:347-348). Copyright 2003, Quadrant HealthCom, Inc.
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The coverings of tulip bulbs can cause irritant contact dermatitis, and tulipalin A and B can cause allergic contact dermatitis. Reprinted with permission from Cutis (2003;71:347-348). Copyright 2003, Quadrant HealthCom, Inc.
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Alstroemeria ligtu (Alstroemeriaceae). Reprinted with permission from WB Saunders.
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Primula obconica
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Urtica dioica, the common stinging nettle.
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Prickly pears, Opuntia species.
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Dieffenbachia bauseii (Araceae), also known as dumb cane.
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Daffodils, Narcissus pseudonarcissus, are also known as Lent lilies because they bloom in late March and early April in much of the United States.
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Chili peppers, Capsicum annum.
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