Centaurea solstitialis - Wikipedia
Centaurea solstitialis, the yellow star-thistle, is a species of thorny plant in the genus Centaurea, which is part of the family Asteraceae. A winter annual, it is native to the Mediterranean Basin region and invasive in many other places. It is also known as golden starthistle, yellow cockspur and St. Barnaby's thistle (or Barnaby thistle). [1]
Yellow Star Thistle | National Invasive Species Information Center
U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Species Profile: Yellow Star Thistle. Crowds out native species; toxic to horses (Zouhar 2002)
Yellow Star-Thistle: A "Wanted" Weed - NPS
2020年2月10日 · Yellow star-thistle (Centaurea solstitialis), is one of Yosemite National Park's most problematic weeds. It is an aggressive invader that can outcompete most other vegetation to form monocultures. One individual plant can disperse up to 150,000 seeds in a single season, and the wind dispersed seeds can travel long distances.
Yellow star-thistle is a listed noxious weed and is invasive in many western states. Consult the PLANTS Web site and your State Department of Natural Resources for this plant’s current status (e.g., threatened or endangered species, state noxious status, and wetland indicator values).
Centaurea solstitialis Profile – California Invasive Plant Council
Centaurea solstitialis (yellow starthistle) is a bushy winter annual (family Asteraceae) from the Mediterranean region in Europe that has invaded over 12 million acres in California.
Yellow Starthistle Management Guidelines--UC IPM - ucanr.edu
Yellow starthistle, Centaurea solstitialis, is native to Eurasia and was introduced to California around 1850 via South America. It is now common in open areas on roadsides, rangeland, wildlands, hay fields, pastures, and waste areas.
Centaurea solstitialis (Barnaby's Thistle, Yellow Knapweed, Yellow Star …
Yellow star thistle has a stout taproot and/or pubescent stems. Root growth during the winter and early spring is rapid and can extend well beyond 3 feet in depth. The stem is erect, slender, hairy and branching, and can grow up to three feet tall.
Nature's Notebook: Yellow Star-thistle
Yellow star-thistle is an erect, annual to sometimes biennial, herbaceous plant, growing 0.25 to 3 feet tall, or more. Its tiny, yellow flowers are tightly clustered into flowerheads with the outer flowers sterile, and the inner flowers having both male and female parts.
Yellow Starthistle: Info About Centaurea Solstitialis - Gardening Know How
2023年12月17日 · Also known as Barnaby’s thistle, golden starthistle, or yellow knapweed, it sends deep roots into the soil, depleting the moisture so no other plant species can establish. It outcompetes native plants for nutrients and space.
yellow starthistle: Centaurea solstitialis (Asterales: Asteraceae ...
Synonym(s): yellow star thistle, yellow star-thistle, golden starthistle, yellow cockspur, St. Barnaby's thistle Native Range: Africa, temp. Asia, Europe ( GRIN );
- 某些结果已被删除