Penstemon cardwellii |
Penstemon venustus |
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Cardwell's beardtongue |
elegant beardtongue, Blue Mountain penstemon |
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Habit | Low shrub, the stems 1-3 dm. tall, ascending or erect. | Perennial from a stout taproot, shrubby at the base, the numerous stems 3-8 dm. long, forming a rounded clump, glabrous 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, all cauline, the lowermost reduced, the others numerous, sessile, lanceolate to broadly oblong, 4-10 cm. long and 1-3 cm. wide, sharply serrate or occasionally sub-entire. |
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 a narrow, terminal panicle, or nearly a raceme; calyx 2.5-6.5 mm. long, the 5 segments scarious margined and toothed, usually glabrous; corolla bright lavender to purple-violet, 25-38 mm. long, over 1 cm. wide at the mouth, glabrous inside and out except for the marginal hairs on the lobes; the 4 fertile filaments pubescent toward the tip, the lower pair exerted; anthers permanently horseshoe-shaped, 1.6-2.0 mm. long; pollen sacs remaining saccate and indehiscent on the lower half, glabrous except for the hairs along the sutures; staminode shortly exerted, with a long, white beard along the flattened tip. |
Fruits | Capsule |
Capsule 6-9 mm. long. |
Penstemon cardwellii |
Penstemon venustus |
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Flowering time | May-July | May-August |
Habitat | Open or wooded summits or slopes at middle elevations in the mountains. | Open, rocky slopes, from the foothills to moderate elevations in the mountains. |
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, where introduced in central Washington and native to the Blue Mountains region in southeastern Washington; Washington to California, east to Idaho and Utah.
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Origin | Native | Native and Introduced |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |