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Packera plattensis, commonly known as prairie ragwort or prairie groundsel, is a species of the genus Packera and family Asteraceae. It used to be placed in the genus Senecio. Prairie groundsel is found throughout the tallgrass prairie region. It blooms fairly early for a prairie wildflower: from April to July depending on the climate. [1]
Ragwort is a food plant for the larvae of Cochylis atricapitana, Phycitodes maritima, and Phycitodes saxicolais. Ragwort is best known as the food of caterpillars of the cinnabar moth Tyria jacobaeae. They absorb alkaloids from the plant and become distasteful to predators, a fact advertised by the black and yellow warning colours.
The seedlings of S. ampullaceus often have a purplish color on the undersides of their leaves in the winter, especially along their midrib. [3] Flowering in early–mid spring, [7] Texas ragwort is a tall annual, [8] growing to from 20 centimeters (7.9 in) to 80 centimeters (31 in) tall and similar to S. quaylei.
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Packera macounii is a species of flowering plant in the aster family known by the common name Siskiyou Mountains ragwort. It is native to the west coast of North America from British Columbia to far northern California , where it grows in chaparral and mountain forests, often on serpentine soils .
Packera aurea (formerly Senecio aureus), commonly known as golden ragwort or simply ragwort, is a perennial flower in the family Asteraceae.. It is also known as golden groundsel, squaw weed, life root, golden Senecio, uncum, uncum root, waw weed, false valerian, cough weed, female regulator, cocash weed, ragweed, staggerwort, and St. James wort.
This category contains the native flora of Iowa as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic. Include taxa here that are endemic or have restricted distributions (e.g. only a few countries).
Common ragwort is a common name for several plants and may refer to: Jacobaea vulgaris, native to northern Eurasia; Pericallis × hybrida