Penstemon cardwellii |
Penstemon pruinosus |
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Cardwell's beardtongue |
Chelan beardtongue |
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Habit | Low shrub, the stems 1-3 dm. tall, ascending or erect. | 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, glabrous, the largest on short, sterile shoots, serrulate or nearly entire, short-petiolate, the blades elliptic, 1.5-3.5 cm. long and 6-14 mm. wide; leaves of the flowering shoots less crowded, smaller, sessile and entire. |
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 racemose, few-flowered and crowded, glandular, the simple pedicels opposite and axillary; calyx 5-12 mm. long, the 5 segments thin and lanceolate; corolla bright purple to deep blue-violet, 30-38 mm. long, about 1 cm. wide at the mouth, keeled on the back, glabrous outside and with long, white hairs near the base of the lower lip within; anthers long-wooly, pollen sacs opposite; staminode slender, shorter than the 4 fertile filaments, long-bearded toward the 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 |
Capsule 5-7 mm. long, glabrous. |
Penstemon cardwellii |
Penstemon pruinosus |
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Flowering time | May-July | May-July |
Habitat | Open or wooded summits or slopes at middle elevations in the mountains. | Open, rocky places from the valleys and plains to moderate elevations in the mountains, and in the scablands in Washington. |
Distribution | Occurring west of the Cascades crest in Washington; southwestern Washington to southwestern Oregon.
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Occurring east of the Cascades crest in Washington; British Columbia to Washington.
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Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |