The picture here of chicory (sometimes misspelled "chickory") shows what this perennial, native to Europe, looks like.
Chicory Picture
Blue Wildflower, Coffee Substitute
Chicory root, after it's dried, can be roasted and ground up, to serve as a coffee substitute. For plant enthusiasts, it's valued more as a blue wildflower...
Chicory picture.
David BeaulieuResources Related to Wildflowers
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