Centaurea

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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).
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Centaurea solstitialis. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
References in periodicals archive ?
Ambient temperature limits above-ground activity of the subterranean rodent Spalacopus cyanus.
The stunningly beautiful cornflower, Centaurea cyanus, so much used these days in wildflower mixes, can reduce inflammation in a variety of conditions - the flowers are the only part used and can help with conjunctivitis and mouth ulcers.
Species good for cutting are Cosmos of all forms, but try Cosmos 'Double Click' and 'Psyche White'; aster, bedding-dahlias, godetia, clarkia, sweet William, Brompton stocks, sunflowers, Rudbeckia hirta 'Kelveden Star', Rudbeckia hirta 'Green Eyes', Rudbeckia hirta 'Prairie Sun', Scabiosa 'Ebony & Ivor', Coreopsis grandiflora 'Early Sunrise' and Mayfield Giant', Sweet-smelling Resedia odorata, Crepis aurea, Gaillardia pulchella, Centaurea cyanus (cornflowers) and Larkspur.
Indole alkaloids from the seeds of Centaurea cyanus (Asteraceae).
Grow the black cornflower (Centaurea cyanus `Black Ball'), which lasts longer in water than other varieties, or the velvety annual scabious (Scabiosa atropurpurea).