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A tumbleweed is a structural part of the above-ground anatomy of a number of species of plants. It is a diaspore that, once mature and dry, detaches from its root or stem and rolls due to the force of the wind. In most such species, the tumbleweed is in effect the entire plant apart from the root system, but in other plants, a hollow fruit or ...
Feb 7, 2022 · Updated February 7, 2022. Love them or hate them, tumbleweeds have been a regular fixture in the American West for more than 100 years. Jez Arnold [CC BY-SA 2.0] /Flickr. In This Article. How Did...
- Sidney Stevens
Tumbleweed, plant that breaks away from its roots and is driven about by the wind as a light rolling mass, scattering seeds as it goes. Examples include pigweed (Amaranth retroflexus, a widespread weed in the western United States) and other amaranths, tumbling mustard, Russian thistle, the steppe.
- The Editors of Encyclopaedia Britannica
Oct 30, 2023 · Tumbleweeds are annual plants. The seeds germinate in the spring, flower in the summer or fall (depending on the species), and reproduce only by seed. Unlike other weed seeds, which can live for decades, most tumbleweed seeds remain viable for only one year (though some live up to three years).
Students. Scholars. Article. Images & Videos. Related. Encyclopædia Britannica, Inc. Called the “white man’s plant” by some American Indians, the Russian thistle, of which the scientific name is Salsola kali, is one of several plant species known as tumbleweeds. These plants are native to arid regions of the world, primarily deserts and grasslands.
Jun 6, 2017 · How Are Tumbleweeds Formed? A tumbleweed is a combination of plants that have formed together, detached from their roots, and tumbled away in the wind, hence their name.
Mar 13, 2024 · Tumbleweed is one of the most iconic symbols of the old American West, made famous in hundreds of movies. But this invasive plant did not actually reach US shores until the latter part of the...
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