- n physostegia any of various plants of the genus Physostegia having sessile linear to oblong leaves and showy white or rose or lavender flowers
Century Dictionary and Cyclopedia
- n physostegia A genus of erect herbs of the order Labiatæ, the mint family, belonging to the tribe Stachydeæ and subtribe Melitteaelig;, and characterized by the broad and five-toothed calyx, long-exserted ample corolla-tube, parallel anther-cells, and two-flowered spiked verticillasters. There are 3 species, all North American, called false dragon's-head (which see, under dragon's-head). They are tall and smooth perennials, with narrow toothed leaves, and showy sessile pink or flesh-colored flowers, forming one or many dense or interrupted terminal spikes. P. Virginiana, the variable eastern species, is often cultivated in gardens.