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Photographer: Emmet J. Judziewicz
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Family Dipsacaceae
Knautia arvensis (L.) Coult.
blue-buttons, field scabiosa
Knautia: dedicated to Christen Knault (1654-1716), Saxon physician and botanist
arvensis: of planted fields
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| Status: | Introduced - locally established |
| Plant: | erect, perennial, 1'-3' tall forb; stems not prickly |
| Flower: | blue to purple, 4-parted; inflorescence a dense, domed, long-stalked cluster 1/2"-1 1/2" thick surrounded by bracts about equal to the head; blooms June-Sept. |
| Leaf: | lower leaves coarsely toothed, upper deeply cut |
| (Glossary) |
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