Senecio

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senecio

(sɪˈniːʃɪəʊ)
n, pl -cios
(Plants) any plant of the genus Senecio, including groundsels, ragworts, and cineraria: family Asteraceae (composites)
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Noun1.senecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weedsSenecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs
aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia
nodding groundsel, Senecio bigelovii - plant with erect leafy stems bearing clusters of rayless yellow flower heads on bent individual stalks; moist regions of southwestern United States
Cineraria maritima, Senecio cineraria, dusty miller - stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves
Senecio doublasii, threadleaf groundsel - bluish-green bushy leafy plant covered with close white wool and bearing branched clusters of yellow flower heads; southwestern United States; toxic to range livestock
butterweed, Senecio glabellus, ragwort - American ragwort with yellow flowers
benweed, ragweed, ragwort, Senecio jacobaea, tansy ragwort - widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
groundsel, Senecio vulgaris - Eurasian weed with heads of small yellow flowers
References in periodicals archive ?
Pericarp structure cause a barrier effect for Senecio jacobaea (McEvoy, 1984), Heterotheca latifolia (Venable and Levin, 1985) and Anthemis chrysantha (Aguado et al., 2011).
Both the ragwort (Jacobaea vulgaris) and the giant hogweed (Heracleum montegazzianum) are known to cause severe irritation (rashes and blistering) of the skin and the former is known to poison livestock, most likely ingested with hay and silage.
Consumption of poisonous plants (Senecio jacobaea, Symphytum officinale, Pteridium aquilinum, Hypericum perforatum) by rats: chronic toxicity, mineral metabolism, and hepatic drug-metabolizing enzymes.
Root damage and aboveground herbivory change concentration and composition of pyrrolizidine alkaloids of Senecio jacobaea. Basic Applied Ecology, v.5, p.253-260, 2004.
lusitanica, European Blackberry Rubus anglocandicans, and Ragwort Senecio jacobaea.
Un enghraifft ydi llysiau Iago neu creulys Iago (Senecio jacobaea; Common Ragwort).
Fitness consequences of floral variation in Senecio jacobaea (Asteraceae): evidence from a segregating hybrid populations and a resource manipulation experiment.
Chemotype of Senecio jacobaea affects damage by pathogens and insect herbivores in the field.
Successful biological control of ragwort, Senecio jacobaea, by introduced insects in Oregon.