Obedient Plant, a native species, has been added to the USWildflowers database (12/04/2012.) Scientific name is Physostegia virginiana. Photo below was taken along the Blue Ridge Parkway, Haywood County, NC, on Aug 1, 2011. Go to the Obedient Plant detail page for more photos and information.
Obedient Plant, False Dragonhead, Obedience – Physostegia virginiana
Such a beautiful, exquisite flower. Such a lovely name!
We’ve seen this plant in two places; excited each time. We agree with you, Janet.