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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 · Learn how tumbleweeds, also known as Russian thistle, became a symbol of the American West and a problematic invasive species. Discover their life cycle, spread, impact and management options.
- Sidney Stevens
Tumbleweed is a plant that breaks away from its roots and is driven by the wind as a light rolling mass, scattering seeds as it goes. Learn about the examples, characteristics, and uses of this plant, as well as its relation to other gymnosperms and deserts.
- The Editors of Encyclopaedia Britannica
May 6, 2018 · Learn how tumbleweeds, also known as Russian thistle, evolved to disperse their seeds by rolling and bouncing in the wind. Find out how they became a nuisance and a threat in California and other western states.
- 4 min
- Gabriela Quirós, KQED Science
Learn how tumbleweeds, also known as Russian thistle, arrived in North America in the 1870s and became one of the fastest plant invasions in history. Find out how they spread, why they are a threat, and how they are different from native tumbleweeds.
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Mar 13, 2024 · How tumbleweed became an invasive species in the US. 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 ...
- 3 min
