Difference between revisions of "Penstemon marcusii"
Brittonia 31: 105. 1979.
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|label=Conservation concern | |label=Conservation concern | ||
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Penstemon moffatii subsp. marcusii | |name=Penstemon moffatii subsp. marcusii | ||
|authority=D. D. Keck | |authority=D. D. Keck | ||
| + | |rank=subspecies | ||
| + | |publication_title=Bull. Torrey Bot. Club | ||
| + | |publication_place=65: 243. 1938 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|elevation=1600–2000 m. | |elevation=1600–2000 m. | ||
|distribution=Utah. | |distribution=Utah. | ||
| − | |discussion=<p>Penstemon marcusii is found in the San Rafael Swell and along the eastern edge of the Wasatch Plateau in Carbon and Emery counties, Utah. The species is most similar to P. goodrichii, differing primarily in its puberulent stems and smaller flowers.</p> | + | |discussion=<p><i>Penstemon marcusii</i> is found in the San Rafael Swell and along the eastern edge of the Wasatch Plateau in Carbon and Emery counties, Utah. The species is most similar to <i>P. goodrichii</i>, differing primarily in its puberulent stems and smaller flowers.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Penstemon marcusii | name=Penstemon marcusii | ||
| − | |||
|authority=(D. D. Keck) N. H. Holmgren | |authority=(D. D. Keck) N. H. Holmgren | ||
|rank=species | |rank=species | ||
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|publication year=1979 | |publication year=1979 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_358.xml |
|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Penstemon | |subgenus=Penstemon subg. Penstemon | ||
Latest revision as of 19:31, 5 November 2020
Stems ascending to erect, (9–)15–32 cm, retrorsely hairy. Leaves basal and cauline, not leathery, glabrous or retrorsely hairy; basal and proximal cauline petiolate, 20–85 × 4–8(–12) mm, blade oblanceolate to lanceolate, base tapered, margins entire or obscurely dentate, apex obtuse; cauline 2 or 3 pairs, sessile, 30–75 × 3–10 mm, blade lanceolate, base tapered to clasping, margins entire, apex acute. Thyrses interrupted, cylindric, 5–18 cm, axis glandular-pubescent, verticillasters 3–7, cymes 2–5-flowered, 2 per node; proximal bracts lanceolate, 5–38 × 2–10 mm; peduncles and pedicels glandular-pubescent. Flowers: calyx lobes lanceolate, (2.2–)4.5–7.5 × (0.9–)1.2–1.6 mm, glandular-pubescent; corolla violet or blue, with reddish violet nectar guides, weakly bilabiate, funnelform, 8–12 mm, sparsely yellow-lanate or glabrous internally abaxially, tube 4–5 mm, throat gradually inflated, not constricted at orifice, 2–5 mm diam., rounded abaxially; stamens included, pollen sacs opposite, explanate, 0.6–1 mm, dehiscing completely, sutures smooth; staminode 6–8 mm, included, 0.3–0.6 mm diam., tip recurved, distal 3–5 mm sparsely to densely pubescent, hairs yellow, to 1 mm; style 3–4 mm. Capsules 4.5–6.5 × 4–5 mm.
Phenology: Flowering May–Jun.
Habitat: Clayey and gravelly soils, sagebrush shrublands.
Elevation: 1600–2000 m.
Discussion
Penstemon marcusii is found in the San Rafael Swell and along the eastern edge of the Wasatch Plateau in Carbon and Emery counties, Utah. The species is most similar to P. goodrichii, differing primarily in its puberulent stems and smaller flowers.
Selected References
None.