Penstemon cardwellii |
Penstemon euglaucus |
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Cardwell's beardtongue |
glaucous beardtongue |
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Habit | Low shrub, the stems 1-3 dm. tall, ascending or erect. | Tufted perennial from a woody rhizome, the slender stems 2-7 dm. tall, glabrous and glaucous throughout. |
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, entire, the basal ones petiolate, oblanceolate, forming well-developed rosettes, up to 15 cm. long and 2 cm. wide; cauline leaves few, well-developed, sessile, not over 10 cm. long and 2 cm. wide. |
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 1-several dense verticillasters, the flowers spreading at right angles to the stem; calyx 3.5-5 mm. long, the 5 segments broadly scarious-margined, abruptly contracted to a narrow, pointed tip; corolla blue-purple, 11-15 mm. long, bilabiate, the tube expanded, 3-5 mm. wide at the mouth; raised portion of the lower petal bearded; staminode usually bearded at the expanded tip; pollen sacs glabrous, ovate, 0.6-1.0 mm. long, not quite opening to the tip. |
Fruits | Capsule |
Capsule 5-6 mm. long |
Penstemon cardwellii |
Penstemon euglaucus |
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Flowering time | May-July | June-September |
Habitat | Open or wooded summits or slopes at middle elevations in the mountains. | Dry, sandy, open or sparsely wooded slopes at moderate elevations to subalpine meadows. |
Distribution | Occurring west of the Cascades crest in Washington; southwestern Washington to southwestern Oregon.
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Occurring in the Cascades Range in Washington from Mt Adams south; Washington to central Oregon.
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Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |