Penstemon pallidus |
Penstemon wilcoxii |
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Wilcox's beardtongue |
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Habit | Perennial from a branched, woody base, the clustered stems 3-10 dm. tall, usually glabrous except for the inflorescence | |
Leaves | 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. |
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Flowers | 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. |
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Fruits | Capsule 4-6 mm. long. |
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Penstemon pallidus |
Penstemon wilcoxii |
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Flowering time | May-July | |
Habitat | Open or often wooded, sometimes in rocky places, from the foothills to moderate elevations in the mountains. | |
Distribution | Occurring east of the Cascades crest in eastern Washington; Washington to Oregon, east to Montana.
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Origin | Native | |
Conservation status | Threatened in Washington (WANHP) | |
Sibling taxa | ||
Web links |