Stem. - One or two feet high, clammy above. Leaves. - Opposite, oblong to lance-shaped. Flowers. - Dull purple or partly whitish, showy, in a slender open cluster. Calyx. - Five-parted. Corolla. - Tubular, slightly dilated, the throat nearly closed by a bearded palate; two-lipped, the upper lip two-lobed, the lower three-cleft. Stamens. - Four, one densely bearded sterile filament besides. Pistil. - One.
These handsome, showy flowers are found in summer in dry or rocky places. They are especially plentiful somewhat southward.
The white beard-tongue of more western localities is P. digitalis. This is a very effective plant, which sometimes reaches a height of five feet, having large inflated white flowers.