Group: Spermatophytina (Spermatophytes)
Family: Asteraceae (Daisy family)
Genus: Centaurea (Knapweed)
Centaurea jacea L. - Brown Knapweed
Centaurea nigrescens Willd. - Alpine Knapweed
Centaurea nigra L. - Common Knapweed
Centaurea phrygia L. - Wig Knapweed
Centaurea stoebe L. - Panicled Knapweed
Centaurea diffusa Lam. - Tumble Knapweed
Centaurea scabiosa L. - Greater Knapweed
Centaurea calcitrapa L. - Red Star-Thistle
Centaurea solstitialis L. - Yellow Star-Thistle
Centaurea trichocephala Willd.
Centaurea benedicta (L.) L. - Blessed Thistle
30–50 cm tall, <i>without</i> latex. <span class="v1">inflorescence:</span> capitula (with involucres), <ba><b>surrounded by large bracts</b></ba>. <span class="v1">capitula:</span> only with tubular-flowers; <span class="v1">capitula-base:</span> <i>with...
ruderal vegetation, parks, gardens