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 (răg′wûrt′, -wôrt′)
Any of various plants in the composite family, chiefly of the genera Senecio and Packera, having yellow flower heads. S. jacobaea, a European species poisonous to livestock, is widely naturalized in North America and elsewhere.

[From the ragged shape of its leaves.]


(Plants) any of several plants of the genus Senecio, esp S. jacobaea of Europe, that have yellow daisy-like flowers: family Asteraceae (composites). See also groundsel1


(ˈrægˌwɜrt, -ˌwɔrt)

any of various composite plants of the genus Senecio, usu. bearing yellow, slender-rayed flower heads.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ragwort - widespread European weed having yellow daisylike flowersragwort - widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
genus Senecio, Senecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
weed - any plant that crowds out cultivated plants
2.ragwort - American ragwort with yellow flowers
wild flower, wildflower - wild or uncultivated flowering plant
genus Senecio, Senecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds


[ˈrægwɜːt] Nhierba f cana, zuzón m, hierba f de Santiago


[ˈrægˌwɜːt] nerba di San Giacomo
References in classic literature ?
Golden patches of ragwort blazed here and there among a tangled mass of no doubt worthier herbage,--such even in nature is the power of gold,--and there were the usual birds.
Based on seasonal availability, plants could include: Wild Geranium, Large Beard-tongue, Foxglove Beardtongue, Fall Phlox, Sweet William, Creeping Phlox, Turk's Cap Lily, Swamp Milkweed (to host Monarch butterflies), New England aster, Switchgrass, Big Bluestem grass, Black-eyed Susan, Jewelweed, Woolly Ragwort, Blue Waxweed, Purple Tridens grass, spearmint, peppermint, oregano, and sage.
WHAT a pity your article Poison plant threatens Holme Valley wildlife (Neighbourhood News section, August 4) chose to sensationalise this issue rather than act as a serious and timely reminder to owners of livestock in general and particularly horses, of the potential risks of ragwort.
I have some ragwort growing at the front of my house and I have been told that she may be allergic to it?
PRINCE Charles wrote to ministers and aired his views about NHS spending on homeopathy, hospital food, housing projects and the menace of ragwort, it has emerged.
Many weed species are extremely tough - ragwort and Senecio can complete their life cycles even when uprooted.
And then there are those ragwort tough to beat plants like Convolvulus (bindweed) and scutch that can regrow if even minuscule pieces of root are left behind.
If you mean tansy ragwort that grows rampantly in Oregon, I would never intentionally plant it.
Just one cut along our main roads would have stopped the Ragwort and other injurious weeds from seeding.
The charity also pointed out that horses can be poisoned by ragwort in fields.
uk/westonbirt-treefest Root out Ragwort (Senecio jacobaea) seems to be causing a bit of a headache for people at the moment; not only the plant itself but the legislation surrounding it and its removal.
He was in a field overgrown with yellowflowered weed ragwort, which can be toxic.