Centaurea

(redirected from centaureas)
Also found in: Dictionary, Thesaurus.

Centaurea

a genus of thistles of the Asteraceae family of plants; contain sesquiterpene lactones which cause nigropallidal encephalomalacia in horses. Includes C. melitensis (Maltese cockspur), C. repens (C. picris, Russian or creeping knapweed, hard heads), C. solstitialis (yellow star or St. Barnaby's thistle).
Enlarge picture
Centaurea solstitialis. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
References in periodicals archive ?
Many invasive plants, such as a number of Centaurea species, are rapidly replacing native communities, and some risk in the application of biocontrols may be warranted.
Phytotoxic properties of cnicin, a sesquiterpene lactone from Centaurea maculosa (spotted knapweed).
Influence of cnicin, a sesquiterpene lactone of Centaurea maculosa (Asteraceae), on specialist and generalist insect herbivores.
Structural analysis of the phytophagous insect guilds associated with the roots of Centaurea maculosa Lam.
Cochylidae), a suitable prospect for the biological control of spotted and diffuse knapweed, Centaurea maculosa Lam.