tall tumblemustard

Capparales > Brassicaceae > Sisymbrium altissimum L.
Synonym(s): Jim Hill mustard, tall mustard, tumbleweed mustard

Tall tumblemustard is an annual/biennial herb native to Eurasia. Plants can reach almost 5 ft. (1.5 m) in height. Cauline (stem) leaves are alternate, 0.5-5 in. (1.3-12.7 cm) long and decrease in size up the stem. Flowering occurs in late spring to summer, when small, 4-petaled, yellow to white flowers develop in groups at the apex of the stems. Fruits are narrow seed pods that are 2-4 in. (5-10 cm) long and contain more than 120 seeds. Tall tumblemustard was first seen in the United States in 1878 in Philadelphia; seeds were probably introduced accidentally in ship ballast. Plants invade fields, open forests, and other disturbed open areas.


Identification, Biology, Control and Management Resources


Selected Images from Invasive.org

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Foliage;
Mary Ellen (Mel) Harte, , Bugwood.org
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Foliage;
Mary Ellen (Mel) Harte, , Bugwood.org
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Flower(s);
Mary Ellen (Mel) Harte, , Bugwood.org
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Flower(s);
Mary Ellen (Mel) Harte, , Bugwood.org
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Flower(s);
Mary Ellen (Mel) Harte, , Bugwood.org
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Seed(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. 2: 174.
USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org
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Invasive Reference(s):

Check Invasive.org for most current lists.
  • California - Invasive Plant Inventory
  • Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species


External Links


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