Penstemon fendleri |
Penstemon rydbergii |
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Rydberg's beardtongue |
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Habit | Tufted perennial from a woody rhizome, the slender stems 2-7 dm. tall, usually glabrous throughout. | |
Leaves | Leaves opposite, entire, the basal ones petiolate, oblanceolate, often forming 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. |
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Flowers | Inflorescence of 1-several dense verticillasters, the flowers spreading at right angles to the stem; calyx 3-7 mm. long, the 5 segments narrowly scarious-margined, tapering to a 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, dehiscent throughout and becoming opposite. |
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Fruits | Capsule 5-6 mm. long. |
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Penstemon fendleri |
Penstemon rydbergii |
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Flowering time | May-July | |
Habitat | Meadows and moist, open slopes, occasionally on drier slopes with sagebrush, chiefly in the foothills and at moderate elevations in the mountains. | |
Distribution | Occurring east of the Cascades in Washington; Washington to California, east to the Rocky Mountains.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |