Search results
Results from the WOW.Com Content Network
Senecio squalidus, Oxford ragwort; Senecio viscosus, sticky ragwort; Certain members of the genus Jacobaea (a segregate of Senecio): Jacobaea vulgaris, (common) ragwort or, only in the USA tansy ragwort, a very common wild flower in Europe, widely naturalised elsewhere; Jacobaea aquatica, water ragwort, marsh ragwort; Jacobaea erucifolia, Hoary ...
Flowering plant with cinnabar moth caterpillars. 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 ...
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.
Packera is a genus of about 75 species of plants in the daisy family, Asteraceae. [1] Most species are commonly called ragworts or grounsels. Its members were previously included in the genus Senecio (where they were called aureoid senecios by Asa Gray), but were moved to a different genus based on chromosome numbers, a variety of morphological characters, and molecular phylogenetic evidence.
Packera anonyma, called Appalachian ragwort and Small's ragwort, is a flowering plant in the Asteraceae (aster family). [ 1 ] [ 2 ] [ 3 ] Distribution and habitat
Jacobaea erucifolia, the hoary ragwort [2] is a species of flowering plant in the genus Jacobaea and the family Asteraceae. It is a perennial or rhizomatous geophyte native to temperate Eurasia , ranging from Europe to Siberia, Turkey, Iran, Central Asia, Mongolia, China, and Japan.
The plant is a widespread neophyte in Europe and an invasive species in Central Europe. [10] It was introduced through wool imports from Southern Africa. In Europe the ports of entry were Bremen, Calais, Mazamet, and Verviers. [11] S. inaequidens commonly exists in ruderal habitats such as railroads, roads and motorways, vacant or disused land.
Senecio squalidus, known as Oxford ragwort, [6] is a flowering plant in the daisy family Asteraceae. It is a yellow-flowered herbaceous plant, native to mountainous, rocky or volcanic areas, that has managed to find other homes on man-made and natural piles of rocks, war-ruined neighborhoods and dry-stone walls .