Chelan Penstemon

Penstemon pruinosus

Cluster of erect stems from branched, woody base. Foliage and stems with small glistening glands, often ashy gray on lower section of stems. Leaves with fine teeth, lance- to egg-shaped at base, 2–4 in. long including long petiole; stem leaves triangular to oval, sessile. Flowers in 3–7 loose, many-flowered clusters. Flowers blue-purple, with lower lip larger than upper, staminode extending to edge of throat opening, tip bearded with golden hairs. Grows from rocky forest openings on east side of Cascades to sagebrush plains. Pruinosus means "appearing to be covered with a fine dew."
Chilean penstemon  Chelan Penstemon,Geotagged,Penstemon pruinosus,Spring,United States

Appearance

General: 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: 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 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 5-7 mm. long, glabrous.
Chelan Penstemon  Chelan Penstemon,Geotagged,Penstemon pruinosus,Spring,United States

Distribution

Chiefly on the east slope of the Cascades in Washington; British Columbia south to Washington.

Habitat

Open, rocky places from the valleys and plains to moderate elevations in the mountains, and in the scablands in Washington.

References:

Some text fragments are auto parsed from Wikipedia.

http://biology.burke.washington.edu/herbarium/imagecollection.php
http://www.pnwflowers.com/flower/penstemon-pruinosus
Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderLamiales
FamilyPlantaginaceae
GenusPenstemon
SpeciesPenstemon pruinosus