Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of the genus Centaurea of herbaceous thistle-like flowering plants.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

star +‎ thistle

Examples

  • One of the most invasive exotics in the western United States, the yellow starthistle, is successful both at "invasion" in non-native areas and "colonization" in native ones.

    Science

  • Spotted knapweed, also known as starthistle, was introduced in the U.S. from Europe in the late 1800s.

    Will Killing This Invasive Plant Harm Bees?

  • Spotted knapweed, also known as starthistle, was introduced in the U.S. from Europe in the late 1800s.

    Will Killing This Invasive Plant Harm Bees?

  • However, new research from an international team of researchers finds that a disturbance -- such as fire or grazing -- actually increased the success of yellow starthistle far more in non-native than in its home regions.

    Science

  • When exposed to increased carbon dioxide, precipitation, nitrogen and temperature--all expected results of climate change--yellow starthistle in some cases grow to six times its normal size while the other grassland species remained relatively unchanged.

    digg.com: Top News

  • Through the years I have written about various noxious weeds, including tall whitetop, knapweeds, Canada thistle, yellow starthistle, hoary cress and puncturevine.

    The Record-Courier - Top Stories

  • Purple starthistle is considered an aggressive invasive weed species.

    Random feeds from Syndic8.com

  • Removed from the list this year was field bindweed and yellow starthistle.

    Minot Daily News

  • Removed from the list this year was field bindweed and yellow starthistle.

    Minot Daily News

  • Then they compared predicted changes in precipitation and temperature with the most hospitable conditions for five of the West's most obnoxious noxious plants: cheatgrass, spotted knapweed, yellow starthistle, tamarisk and leafy spurge.

    RGJ.com - Latest News

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