Children (13 direct children, 13 direct and indirect children):
Physostegia virginiana subsp. praemorsa
Southern obedient plant
Physostegia virginiana subsp. virginiana
Obedient plant
Physostegia virginiana var. ledinghamii
Physostegia virginiana f. candida
Physostegia virginiana var. elongata
Physostegia virginiana var. formosior
Physostegia virginiana var. granulosa
Physostegia virginiana var. obovata
Physostegia virginiana var. parviflora
Physostegia virginiana var. reducta
Physostegia virginiana var. speciosa
Physostegia virginiana var. arenaria
Physostegia virginiana f. alba