Penstemon grandiflorus |
Penstemon barrettiae |
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Barrett's beardtongue |
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Habit | Perennial, the lower part shrubby and branched, the stems 2-4 dm. tall; herbage and inflorescence glabrous and glaucous. | |
Leaves | Leaves opposite, firm, irregularly serrulate or entire, the larger ones, up to 8 cm. long and 2.5 cm. wide, on sterile shoots borne toward the base of the main stem; cauline leaves broad, sessile, and clasping, 1.5-3.5 cm. long and 0.8-2 cm. wide |
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Flowers | Inflorescence essentially a raceme, the axillary peduncles simple and single-flowered or sometimes branched and 2-flowered; calyx 5-7 mm. long, the 5 segments thin, ovate; corolla bilabiate, lilac or rose-purple, 33-38 mm. long, 1 cm. wide at the mouth, glabrous outside, long-hairy near the base of the lower lip within; anthers densely long-woolly, pollen sacs wholly dehiscent, becoming opposite |
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Fruits | Capsule narrow, up to 1 cm. long. |
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Penstemon grandiflorus |
Penstemon barrettiae |
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Flowering time | April-May | |
Habitat | Woodland openings and rocky slopes at low elevations. | |
Distribution | Occurring in the east end of the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon.
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Origin | Native | |
Conservation status | Threatened in Washington (WANHP) | |
Sibling taxa | ||
Web links |