Penstemon cardwellii |
Penstemon wilcoxii |
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Cardwell's beardtongue |
Wilcox's beardtongue |
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Habit | Low shrub, the stems 1-3 dm. tall, ascending or erect. | Perennial from a branched, woody base, the clustered stems 3-10 dm. tall, usually glabrous except for the inflorescence |
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, strongly serrate with slender teeth, the basal leaves well-developed, elliptic to deltoid-ovate, the blade up to 9 cm. long and 5 cm. wide, about equal to the petiole; cauline leaves often larger than the basal, sessile, 4-10 cm. long and 1.5-4 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 several large, loose verticillasters; calyx 2.5-5 mm. long, the 5 segments broadly lanceolate, narrowly scarious-margined; corolla blue, the paler throat with guide lines, 15-23 mm. long, the tube 4-8 mm. wide at the mouth, glandular-hairy on the outside, strongly bilabiate, the lower lip much longer than the upper, the raised portion bearded; pollen sacs 0.7-1.0 mm. long, wholly dehiscent, becoming opposite, glabrous; staminode with a recurved, bearded tip. |
Fruits | Capsule |
Capsule 4-6 mm. long. |
Penstemon cardwellii |
Penstemon wilcoxii |
|
Flowering time | May-July | May-July |
Habitat | Open or wooded summits or slopes at middle elevations in the mountains. | Open or often wooded, sometimes in rocky places, 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 eastern Washington; Washington to Oregon, east to Montana.
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Origin | Native | Native |
Conservation status | Not of concern | Threatened in Washington (WANHP) |
Sibling taxa | ||
Web links |