English: Obedient plant; Obedience; False dragonhead.
Synonym: Dracocephalum formosius.
Region: North America, eastern Canada, northern Mexico.
Name: obedient because a flower pushed to one side will often stay in that position.
BotanyHerb; perennial
Root: rhizomatous
Stem: squared; stiff; in clumps; 60 to 120 cm tall; floppy when tall.
Leaves: lanceolate; toothed.
Inflorescence: long, dense raceme, with many flowers.
Flowers: tubular; pink; resemble snapdragons; flowering late-season.
Fruit: capsule; with many seeds.
Seeds: round, black.
TaxonomyPhysostegia was formerly included in the related Dracocephalum.