Burke: Penstemon ovatus vs. Penstemon pruinosus

	Penstemon ovatus	Penstemon pruinosus
	egg-leaf beardtongue, broad-leaved penstemon	Chelan beardtongue
Habit	Robust perennial from a woody base, the clustered stems 3-10 dm. tall, with stiff, spreading hairs below the inflorescence	Plants tufted from a stout, branched, and woody base, the stems 1-4 dm. tall; inflorescence always glandular-hairy, the rest of the plant varying from glandular-hairy to glabrous.
Leaves	Basal leaves opposite, clustered, petiolate, with ovate to sub-cordate blade up to 10 cm. long and half as wide, about equaling the petiole, serrate, hairy like the stem, especially along the mid-vein beneath; cauline leaves sessile and clasping, more sharply serrate, nearly as large, but more broadly oblong, the upper ovate.	Leaves opposite, usually sharply serrate, sometimes most of them entire; basal leaves well-developed, up to 10 cm. long and 2 cm. wide, the blades elliptic to ovate, equaling the petiole; cauline leaves sessile, triangular-ovate to narrowly lanceolate, smaller than the basal leaves.
Flowers	Inflorescence large and open, strongly glandular-hairy; calyx 3-5 mm. long, broadly lanceolate, with parallel veins; corolla blue, 15-22 mm. long, glandular-hairy on the outside, the raised portion of the lower petal pale blue and hairy; corolla strongly bilabiate, the lower lip much the longer; pollen sacs 0.8-1.1 mm. long, fully dehiscent and becoming opposite, nearly glabrous; staminode bearded toward the recurved tip.	Inflorescence of several compact verticillasters; calyx 3-6 mm. long, the 5 segments broadly lanceolate; corolla deep blue or lavender, 11-16 mm. long, the tube slightly expanded, 2.5-5 mm. wide at the mouth, the throat paler and marked with guide lines, glandular-hairy externally, the raised portion of the lower lip bearded; pollen sacs glabrous, dehiscent throughout and becoming opposite; staminode with a bearded tip.
Fruits	Capsule 4-6 mm. long.	Capsule 5-7 mm. long, glabrous.

	Penstemon ovatus	Penstemon pruinosus
Flowering time	May-August	May-July
Habitat	Open woods below 3000 feet in elevation.	Open, rocky places from the valleys and plains to moderate elevations in the mountains, and in the scablands in Washington.
Distribution	Occurring on both sides of the Cascades crest in Washington; southern British Columbia to Oregon. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in Washington; British Columbia to Washington. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	P. acuminatus, P. attenuatus, P. barrettiae, P. cardwellii, P. cinereus, P. confertus, P. davidsonii, P. deustus, P. ellipticus, P. eriantherus, P. euglaucus, P. fruticosus, P. gairdneri, P. glandulosus, P. hesperius, P. lyallii, P. palmeri, P. pennellianus, P. procerus, P. pruinosus, P. richardsonii, P. rupicola, P. rydbergii, P. serrulatus, P. speciosus, P. subserratus, P. triphyllus, P. venustus, P. washingtonensis, P. wilcoxii	P. acuminatus, P. attenuatus, P. barrettiae, P. cardwellii, P. cinereus, P. confertus, P. davidsonii, P. deustus, P. ellipticus, P. eriantherus, P. euglaucus, P. fruticosus, P. gairdneri, P. glandulosus, P. hesperius, P. lyallii, P. ovatus, P. palmeri, P. pennellianus, P. procerus, P. richardsonii, P. rupicola, P. rydbergii, P. serrulatus, P. speciosus, P. subserratus, P. triphyllus, P. venustus, P. washingtonensis, P. wilcoxii
Web links	Local floras: BC, OR, WA Local Web sites: Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, WA Local Web sites: Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Penstemon pruinosus

egg-leaf beardtongue, broad-leaved penstemon

Chelan beardtongue

Habit

Robust perennial from a woody base, the clustered stems 3-10 dm. tall, with stiff, spreading hairs below the inflorescence

Plants tufted from a stout, branched, and woody base, the stems 1-4 dm. tall; inflorescence always glandular-hairy, the rest of the plant varying from glandular-hairy to glabrous.

Leaves

Basal leaves opposite, clustered, petiolate, with ovate to sub-cordate blade up to 10 cm. long and half as wide, about equaling the petiole, serrate, hairy like the stem, especially along the mid-vein beneath;

cauline leaves sessile and clasping, more sharply serrate, nearly as large, but more broadly oblong, the upper ovate.

Leaves opposite, usually sharply serrate, sometimes most of them entire;

basal leaves well-developed, up to 10 cm. long and 2 cm. wide, the blades elliptic to ovate, equaling the petiole;

cauline leaves sessile, triangular-ovate to narrowly lanceolate, smaller than the basal leaves.

Flowers

Inflorescence large and open, strongly glandular-hairy;

calyx 3-5 mm. long, broadly lanceolate, with parallel veins;

corolla blue, 15-22 mm. long, glandular-hairy on the outside, the raised portion of the lower petal pale blue and hairy;

corolla strongly bilabiate, the lower lip much the longer;

pollen sacs 0.8-1.1 mm. long, fully dehiscent and becoming opposite, nearly glabrous;

staminode bearded toward the recurved tip.

Inflorescence of several compact verticillasters;

calyx 3-6 mm. long, the 5 segments broadly lanceolate;

corolla deep blue or lavender, 11-16 mm. long, the tube slightly expanded, 2.5-5 mm. wide at the mouth, the throat paler and marked with guide lines, glandular-hairy externally, the raised portion of the lower lip bearded;

pollen sacs glabrous, dehiscent throughout and becoming opposite;

staminode with a bearded tip.

Fruits

Capsule 4-6 mm. long.

Capsule 5-7 mm. long, glabrous.