Penstemon washingtonensis |
Penstemon speciosus |
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Washington beardtongue |
royal beardtongue, showy penstemon |
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Habit | Tufted perennials from a loose, woody rhizome, the stems 1-2.5 dm. tall, usually glabrous below the glandular-hairy inflorescence. | Perennial from a compact, branched, woody base, the several stout stems 2-9 dm. tall, glabrous or gray-puberulent. |
Leaves | Leaves opposite, entire, the basal ones well-developed and forming rosettes, 2.5-6 cm. long and 5-18 mm. wide; cauline leaves few, sessile, often reduced. |
Leaves opposite, entire, thick and firm, the basal ones clustered, petiolate, up to 15 cm. long and 2 cm. wide, the blade oblanceolate to narrowly elliptic; cauline leaves sessile and sometimes clasping, up to 2 cm. wide, 3.5-10 times as long as wide. |
Flowers | Inflorescence of 1-3 dense verticillasters; calyx 4-6 mm. long, the 5 segments tapered, with scarious margins; corolla deep blue or occasionally pale yellow, glandular-hairy, 9-12 mm. long, the tube narrow, only 2-3 mm. wide at the mouth, the raised portion of the lower lip bearded; pollen sacs glabrous, sub-rotund, 0.5-0.6 mm. long, wholly dehiscent, becoming opposite; staminode bearded toward the expanded tip. |
Inflorescence of numerous, loose verticillasters, sometimes one-sided; calyx 4-8 mm. long, the 5 segments ovate, scarious margined, pointed; corolla bright blue, 26-38 mm. long, 1 cm. wide at the mouth; pollen sacs 1.9-3.0 mm. long, spreading, S-shaped, mostly glabrous, a short portion remaining indehiscent; staminode usually glabrous. |
Fruits | Capsule 4-5 mm. long |
Capsule 9-12 mm. long. |
Penstemon washingtonensis |
Penstemon speciosus |
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Flowering time | June-August | May-July |
Habitat | From open slopes and flats at moderate elevations to alpine meadows. | Dry, open or sparsely wooded areas, often with sagebrush, juniper or ponderosa pine, mostly in the lowlands and foothills. |
Distribution | Occurring east of the Cascades crest, where endemic to Chelan and Okanogan in Washington.
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East of the Cascades in Washington; Washington south to California, east to Nevada and Utah.
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Origin | Native | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
Web links |