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Senecio cambrensis, Welsh ragwort; 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 ...
Senecio inaequidens, known as narrow-leaved ragwort [4] and South African ragwort, [5] is a species of flowering plant in the daisy family Asteraceae. Description [ edit ]
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 .
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.
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 ...
Senecio / s ɪ ˈ n iː ʃ i. oʊ / [2] is a genus of flowering plants in the daisy family that includes ragworts and groundsels. Variously circumscribed taxonomically, the genus Senecio is one of the largest genera of flowering plants.
Download as PDF; Printable version; ... common name wood ragwort, [1] ... The stems are erect and hairless, while leaves are oblong, lanceolate and finely serrated. ...
Leaves and Stems Branched and bushy, Senecio flaccidus gets its common name from its white, threadlike, bent and matted, tomentose leaves; alternate and deeply pinnate , divided into five to nine narrow linear segments, glabrous , having no hairs or projections, gray-green above, 1 to 4 inches (2.5 to 10.2 cm) long.