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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.
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
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.
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 distribution of tumbleweed and other plants in the division Ginkgophyta.
- The Editors of Encyclopaedia Britannica
Tumbleweed. A tumbleweed ( Lechenaultia divaricata) Several plant species that grow in arid, steppe -like environments use the wind to propagate. The structure that is pushed by the wind is usually called tumbleweed. This structure will detach from its root or stem and will roll on the ground.
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Mar 8, 2024 · Tumbleweeds are plants that break away from their roots and roll in the wind, spreading their seeds. They are invasive in 48 states, causing accidents, fires and allergies. Learn how they came to the U.S., why they tumble and how they became a Wild West symbol.
