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tumbleweed    
n. 滚草

滚草

tumbleweed
n 1: any plant that breaks away from its roots in autumn and is
driven by the wind as a light rolling mass
2: prickly bushy Eurasian plant; a troublesome weed in central
and western United States [synonym: {Russian thistle}, {Russian
tumbleweed}, {Russian cactus}, {tumbleweed}, {Salsola kali
tenuifolia}]
3: bushy annual weed of central North America having greenish
flowers and winged seeds [synonym: {winged pigweed},
{tumbleweed}, {Cycloloma atriplicifolium}]
4: bushy plant of western United States [synonym: {tumbleweed},
{Amaranthus albus}, {Amaranthus graecizans}]


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  • Tumbleweed - Wikipedia
    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
  • Salsola tragus Profile – California Invasive Plant Council
    Common names: Russian thistle; common saltwort; prickly Russian thistle; Russian tumbleweed; tumbleweed; tumbling weed; windwitch; witchweed; prickly glasswort Salsola tragus (Russian-thistle) is a large, bushy summer annual (family Chenopodiaceae) It can be found throughout California, including in agricultural areas, desert, roadsides and
  • TUMBLEWEEDS OF CALIFORNIA: WHO, WHAT, WHERE AND HOW?
    the U S since its introduction in the 1800s Barb-wire tumbleweed, Salsola paulsenii, has been known for decades from the transmontane regions A third Salsola species, referred to here as Type B, was recently recognized as occurring widely throughout low elevation cismontane California
  • Tumbleweed | Deserts, Invasive Species, Wind Dispersal | Britannica
    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
  • Everything You Ever Wanted to Know About Tumbleweeds - Treehugger
    Tumbleweed Takedown Like cowboys, wagon trains and buffalo, tumbleweeds are icons of the Old West These twisted balls of dead foliage rolling across deserts and the open range are staples of
  • Russian Thistle Home and Landscape UC Statewide IPM Program (UC IPM)
    Russian thistle is a summer annual weed also known as tumbleweed It is primarily a weed in sites where the soil has been disturbed When Russian thistle plants accumulate along tree rows and fence lines, they pose a serious fire hazard
  • Everything You Need to Know About Tumbleweeds - LawnStarter
    Tumbleweeds are various plants that, once mature, dry out, detach from the root and are gone with the wind While many tumbleweed species exist, the Russian thistle (Salsola tragus) is the best known Bright green and succulent when growing, it develops reddish or purple shoots and green flowers surrounded by prickly bracts
  • Salsola tragus - Wikipedia
    This detached anatomical part of Salsola tragus is colloquially called "tumbleweed" (although there are many other plant species that also produce tumbleweeds) Once mature, dry, and detached from the plant, this tumbleweed will tumble (i e , roll) due to the force of the wind As this dead structure tumbles in the wind, it gradually degrades
  • Where do tumbleweeds come from? - Deseret News
    The Merriam-Webster Dictionary says that a tumbleweed is a type of plant that “breaks away from its roots in the autumn and is driven about by the wind as a light rolling mass ” According to the Natural History Museum in London, the tumbleweed is also known as a Russian thistle
  • Tumbleweed Plants: A Fascinating Natural Phenomenon
    They are known as tumbleweed plants, and they have captivated the imagination of many In this article, we will explore the characteristics, habitat, life cycle, adaptations, ecological importance, uses, as well as challenges and control measures associated with tumbleweed plants





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