Appearance
It is a rhizomatous perennial herb producing clumps of stiff, squared stems 2 to 4 feet tall. The leaves are lance-shaped and toothed. It has long, dense spikes of lipped, pinkish, "snapdragon-like" flowers in the summer.There are two recognized subspecies. The ssp. ''praemorsa'' is more widespread farther south, to Texas and New Mexico, and the ssp. ''virginiana'' extends farther north and west.
Naming
''Physostegia'' are known commonly as obedient plants because a flower pushed to one side will often stay in that position. The name false dragonhead refers to the dragonheads of the related ''Dracocephalum'', a genus to which the plant once belonged.References:
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