Wildflower.Minute | BloomEDU on Instagram: "Diffuse Knapweed (Centaurea diffusa) is a compact, slightly prickly knapweed with papery bracts and compact heads of pale tubular disk florets. It favors dry, open disturbed sites and occurs as an introduced plant in parts of western North America. Bees and other generalist pollinators frequently visit the flowers. #TheWildflowerMinute #BloomEDU #DiffuseKnapweed"