Identifying Local Penstemons

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Wenatchee Chapter, Washington Native Plant Society Jan. 21, 2010 Presented by botanist Julie Sanderson for a Wenatchee, WA audience Identifying Local Penstemons -Penstemon is a genus in the Scrophulariaceae family, of the snapdragon family -Lots of Penstemons in the Northwest!! -Vascular Plants of the Pacific Northwest, Volume 4 lists 52 species -Flora of the Pacific Northwest, our local field guide, has nine page long key to Penstemons What to do with too much of a good thing? -break it down into local common species -Penstemons “around here” Chelan, Douglas, Kittitas, Okanogan counties in part -from shrub steppe to east side forests and up to the crest of the Cascades Here is a very simplified key of sorts using easy to see characters: 1. Flowers white or yellow Penstemon confertus – pale yellow, smooth leaf margins; moist open to wooded habitat Penstemon deustus – white to cream, toothed leaf margin; hot dry rocky habitat 1. Flowers purple/blue/lavender/magenta 2. In the Mountains Penstemon fruticosus – shrublike woody stems, wooly anthers; road cuts, rocky outcrops in forested areas Penstemon procerus – herbaceous stems, small flowers, smooth anthers: sub- alpine Penstemon davidsonii – large flowers with wooly anthers, short stems, small leaves 2. In the shrub steppe 3. Small flowers (10-15mm) Penstemon gairdneri – leaves narrow, linear, smooth; on lithosols Penstemon pruinosus – leaves broad, ovate, toothed; dry rocky slopes and up into eastside pine forest openings 3. Big flowers (20-40mm) Penstemon speciosus – Big, Beautiful, Blue; deep soil habitat Penstemon richarsonii – magenta flowers, deeply dissected leaves; rocky places Penstemon glandulosus – lavender-purple, large, very sticky plant throughout, smooth ‘tongue’ Penstemon eriantherus- lavender-purple, smaller plant sticky inflorescence only, hairy ‘tongue’ .

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EC06-1255 List and Description of Named Cultivars in the Genus Penstemon Dale T
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Historical Materials from University of Nebraska- Extension Lincoln Extension 2006 EC06-1255 List and Description of Named Cultivars in the Genus Penstemon Dale T. Lindgren University of Nebraska-Lincoln, [email protected] Follow this and additional works at: https://digitalcommons.unl.edu/extensionhist Lindgren, Dale T., "EC06-1255 List and Description of Named Cultivars in the Genus Penstemon" (2006). Historical Materials from University of Nebraska-Lincoln Extension. 4802. https://digitalcommons.unl.edu/extensionhist/4802 This Article is brought to you for free and open access by the Extension at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Historical Materials from University of Nebraska-Lincoln Extension by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. - CYT vert . File NeBrasKa s Lincoln EXTENSION 85 EC1255 E 'Z oro n~ 1255 ('r'lnV 1 List and Description of Named Cultivars in the Genus Penstemon (2006) Cooperative Extension Service Extension .circular Received on: 01- 24-07 University of Nebraska, Lincoln - - Libraries Dale T. Lindgren University of Nebraska-Lincoln 00IANR This is a joint publication of the American Penstemon Society and the University of Nebraska-Lincoln Extension. We are grateful to the American Penstemon Society for providing the funding for the printing of this publication. ~)The Board of Regents oft he Univcrsit y of Nebraska. All rights reserved. Table
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