Houndstongue, Hound's Tongue, Gypsyflower - Cynoglossum officinale
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Cynoglossum officinale - Houndstongue, Hound's Tongue, Gypsyflower. Found in all but 7 states (and most of Canada), Cynoglossum officinale is listed as a noxious weed in Colorado, Montana, Nevada, Oregon, Washington, and Wyoming.
Check here for more information about Cynoglossum officinale . | 
Distribution of Cynoglossum officinale in the United States and Canada:
Map courtesy of The Biota of North America Program.
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| | Site: Payette River Valley, Boise County, ID Date: 2010-June-17 | Photographer: Gerald C. Williamson | | Red top purple flowers borne in clusters | | 
| | Site: Payette River Valley, Boise County, ID Date: 2010-June-17 | Photographer: Gerald C Williamson
Nikon D60
Tamron SP 90MM f/2.8 AF Macro | | Terminal raceme of Houndstongue / Gypsyflower blossoms | | Click on the photo for a larger image
| | Site: Payette River Valley, Boise County, ID Date: 2010-June-17 | Photographer: Gerald C Williamson
Nikon D60
Tamron SP 90MM f/2.8 AF Macro | | Many leaves of Cynoglossum officinale are petioled but some, like those shown here, are not. In my limited observation, those from whose axils flowers or stems grow are not petioled; leaves without flower or stems forming in the axils have petioles. This may also be a function of petioled lower leaves versus non-petioled upper leaves. | | Click on the photo for a larger image
| | Site: Payette River Valley, Boise County, ID Date: 2010-June-17 | Photographer: Gerald C Williamson
Nikon D60
Tamron SP 90MM f/2.8 AF Macro | | Cynoglossum officinale may grow to 4 feet or taller, with many stems terminated with blossom clusters forming forming on stems growing out of the leaf axils along the main stem. Many of the lower leaves are carried on winged petioles. | | Click on the photo for a larger image
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