Russian thistle

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Russian thistle

Any of various prickly plants of the genus Salsola, especially S. tragus, a tumbleweed that is native to Eurasia and widespread in western North America.

Rus′sian this′tle

a saltwort, Salsola kali tenuifolia, of the goosefoot family, that has narrow, spinelike leaves: a troublesome weed.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Russian thistle - prickly bushy Eurasian plantRussian thistle - prickly bushy Eurasian plant; a troublesome weed in central and western United States
bush, shrub - a low woody perennial plant usually having several major stems
References in classic literature ?
Russian thistles were blowing across the uplands and piling against the wire fences like barricades.
The specialized chenopod diet includes noxious plants such as prickly Russian thistle (tumbleweed), and A.
2) Despite a different climate pattern, only ten out of 61 patients in Al-Abri's study were categorized as seasonal type, and all of them were sensitive to Russian thistle.
Russian thistle, Salsola tragus (tumbleweed), has become an icon of the American West since arriving in the 1870s as a flax seed contaminant.
A mesorhizotron and scanning system was modified to study the development of Russian thistle root systems during the 1996 and 1997 growing seasons at Lind, WA.
5 m wide) were comprised primarily of fetid marigold (Dyssodia papposa) and Russian thistle (Salsola kali).
Sagebrush, rabbitbrush, atriplex, grease-wood and Russian thistle all qualify as forage.
Nucla's elementary school closed two years ago for lack of students and now sits fenced off, its swing sets overgrown with Russian thistle.
The enemies' names and nationalities are well-known: Asiatic sand sedge, Chinese lespedeza, English ivy, Eurasian watermilfoil, Japanese knotweed, Oriental bittersweet, Russian thistle, Siberian elm and Yellow Himalayan raspberry.
They somehow got here in the 1800s, apparently from Eastern Europe, and are sometimes called Russian thistle.
Agriculture, housing developments, off-highway vehicle recreation, and the introduction of non-native, invasive plant species (especially Russian thistle and tamarisk) have resulted in the decline of sand dunes and blockage of natural sand transport corridors.
In summer we typically see a lot of ragweed and Russian thistle pollen," he says.

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