See Also: physostegia(dictionary)

physostegia (iou)



physostegia noun. M19.
[mod. Latin (see below), from Greek phusa bladder + stege roof, with ref. to the inflated calyx of the fruiting plant.]
Any of various N. American labiate plants constituting the genus Physostegia, with spikes of pink or white flowers; esp. the obedient plant, P. virginiana.