absinth wormwood

Asterales > Asteraceae > Artemisia absinthium L.
Synonym(s): absinthium

Absinth wormwood (absinthium, common wormwood) is an herbaceous, perennial plant that can grow up to 5 ft. (1.5 m) tall. It has many branching stems arising from a woody base. Leaves are alternate, gray-green, 1-4 in. (2.5-10 cm) long and give off a strong sage-like scent when crushed. Lower leaves are divided into 2-3 segments and the upper leaves are not divided. Flowering occurs in midsummer, when pale yellow, tubular flowers develop in drooping heads in the axils of the leaves. A single plant can produce 50,000 seeds. Absinth wormwood invades open and disturbed sites such as pastures, rangelands, crop land, stream banks, prairies and old fields. The plant is native to Europe and was first introduced into the United States in the mid-1800s.


Identification, Biology, Control and Management Resources


Selected Images from Invasive.org

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Foliage;
Richard Old, XID Services, Inc., Bugwood.org
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Plant(s);
Chris Evans, River to River CWMA, Bugwood.org
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Flower(s);
Richard Old, XID Services, Inc., Bugwood.org
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Plant(s);
Chris Evans, River to River CWMA, Bugwood.org
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Plant(s);
Chris Evans, River to River CWMA, Bugwood.org
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Fruit(s);
Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org
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Diagram or Graphic; Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 525.
USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org
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Invasive Reference(s):

Check Invasive.org for most current lists.
  • Colorado - Noxious Weed Law
  • North Dakota - Noxious Weed Law
  • Washington - Noxious Weed Law
  • Invasive Plants: Western North America
  • Invasive Plants of the Upper Midwest


External Links


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USDA Forest Service Bugwood University of Georgia