Penstemon barrettiae: Difference between revisions
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==External links== |
<sup>Superscript text</sup>==External links== |
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*[http://plants.usda.gov/java/profile?symbol=PEBA7 USDA Plants Profile] |
*[http://plants.usda.gov/java/profile?symbol=PEBA7 USDA Plants Profile] |
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*[http://plants.jstor.org/stable/10.5555/al.ap.specimen.gh00091157 Type Specimen on JSTOR] |
*[http://plants.jstor.org/stable/10.5555/al.ap.specimen.gh00091157 Type Specimen on JSTOR] |
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{{taxonbar|plantlist=tro-29201266|tropicos=29201266|itis=33830|gbif=3171511|ncbi=230064|eol=578247|grin=400654|plants=PEBA7|ipni=187206-2}} |
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[[Category:Penstemon|barrettiae]] |
[[Category:Penstemon|barrettiae]] |
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Revision as of 08:20, 31 December 2017
| Penstemon barrettiae | |
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| Species: | P. barrettiae
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| Penstemon barrettiae | |
Penstemon barrettiae is a species of flowering plant in the plantain family known by the common name Barrett's beardtongue. It is endemic to the Pacific Northwest of North America, where it occurs only in Washington and Oregon.[1][2][3]
This species is a perennial herb[3] or shrub[2] growing 20 to 40 centimeters tall. It is hairless and the leaves and inflorescence are waxy in texture. The oppositely arranged, blue-green leaves are stiff and leathery and have smooth or slightly serrated edges. The leaf pairs on the stem are up to 3.5 centimeters long and have clasping bases. The flowers are pink or light purple-tinged and tubular in shape. They are over 3 centimeters long and 1 centimeter wide at the lipped mouth.[3] Flowering occurs in April through June.[2]
This plant generally grows on cliffs and rock outcrops. The soils are thin. The plant may anchor in rock cracks and crevices in talus. It may be found on roadsides in appropriate habitat.[1]
This species is limited to a small area in southern Washington and northern Oregon, where it can be found in the Columbia River Gorge and the Klickitat River canyon. Threats to the species include poaching, road maintenance, herbicides, quarrying, logging, and recreational activity.[2]
This species is named after Almeta Hodge Barrett who discovered it sometime prior to 1886.[4]
Penstemon barrettiae is included in Penstemon subgenus Dasanthera, along with P. cardwellii, P. davidsonii, P. ellipticus, P. fruticosus, P. lyallii, P. montanus, P. newberryi, and P. rupicola.[5]
References
- ^ a b Penstemon barrettiae. Center for Plant Conservation.
- ^ a b c d Penstemon barrettiae. The Nature Conservancy.
- ^ a b c Penstemon barrettiae. Washington Burke Museum.
- ^ Slichter, Paul (2016). "Barrett's Beardtongue, Barrett's Penstemon". Flora and Fauna Northwest. Paul Slichter. Retrieved 2017-03-28.
- ^ "Penstemon - Dasanthera Group". North American Rock Garden Society. Retrieved June 21, 2014.
Superscript text==External links==