![](http://www.alamy.com/thumbs/6/99C44E51-5583-42C9-8FCE-CFF4DBEE55DE/2HN29D8.jpg)
Closeup side view of a purple knapweed flower.
Size: 4000px × 2666px
Photo credit: © Amelia Martin / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: alberta, beautiful, blooming, blossom, bluets, canada, centaurea, centaureas, centaury, centory, closeup, common, cultivated, display, floral, flower, foliage, garden, gardening, green, hardy, head, herbaceous, hobby, invasive, knapweed, landscaping, leaves, loggerhead, ornamental, outdoors, perennial, petals, plants, purple, spring, stalk, starthistle, stem, summer, thistle, weeds