Burke: Penstemon dolius vs. Penstemon pennellianus

	Penstemon dolius	Penstemon pennellianus
		Blue Mountains beardtongue, Pennell's beardtongue
Habit		Glabrous perennial from a branched crown, with several stout stems 2-6 dm. tall.
Leaves		Leaves opposite, entire, the basal ones clustered, up to 27 cm. long and 4 cm. wide, petiolate, the blade lanceolate or narrowly elliptic; cauline leaves mostly sessile, broad and clasping.
Flowers		Inflorescence of several verticillasters; calyx 5-cleft nearly to the base, 6-9 mm. long, the segments narrow and acuminate; corolla bilabiate, bright blue, 25-33 mm. long, about 1 cm. wide at the mouth, glabrous; pollen sacs 1.9-2.5 mm. long, divaricate, twisted, dentate along the sutures, the inner end indehiscent; fertile stamens 4; sterile stamen short-bearded toward the tip.
Fruits		Capsule 9-12 mm. long.

	Penstemon dolius	Penstemon pennellianus
Flowering time		May-June
Habitat		Open, gravelly and sandy slopes and ridges, sometimes associated with ponderosa pine forest openings, at middle elevations.
Distribution	[WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in the Blue Mountains of southeastern Washington; southeastern Washington to the Blue Mountains in adjacent northeastern Oregon. [WildflowerSearch map] [BONAP county map]
Origin		Native
Conservation status		Sensitive in Washington (WANHP)
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. ovatus, 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. procerus, P. pruinosus, P. richardsonii, P. rupicola, P. rydbergii, P. serrulatus, P. speciosus, P. subserratus, P. triphyllus, P. venustus, P. washingtonensis, P. wilcoxii
Web links	Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: 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

Penstemon dolius

Penstemon pennellianus

Blue Mountains beardtongue, Pennell's beardtongue

Habit

Glabrous perennial from a branched crown, with several stout stems 2-6 dm. tall.

Leaves

Leaves opposite, entire, the basal ones clustered, up to 27 cm. long and 4 cm. wide, petiolate, the blade lanceolate or narrowly elliptic;

cauline leaves mostly sessile, broad and clasping.

Flowers

Inflorescence of several verticillasters;

calyx 5-cleft nearly to the base, 6-9 mm. long, the segments narrow and acuminate;

corolla bilabiate, bright blue, 25-33 mm. long, about 1 cm. wide at the mouth, glabrous;

pollen sacs 1.9-2.5 mm. long, divaricate, twisted, dentate along the sutures, the inner end indehiscent;

fertile stamens 4;

sterile stamen short-bearded toward the tip.

Fruits

Capsule 9-12 mm. long.

Penstemon dolius

Penstemon pennellianus

Flowering time

May-June

Habitat

Open, gravelly and sandy slopes and ridges, sometimes associated with ponderosa pine forest openings, at middle elevations.

Distribution

[WildflowerSearch map]

[BONAP county map]

Occurring east of the Cascades crest in the Blue Mountains of southeastern Washington; southeastern Washington to the Blue Mountains in adjacent northeastern Oregon.

[WildflowerSearch map]

[BONAP county map]

Origin

Native

Conservation status

Sensitive in Washington (WANHP)

Sibling taxa