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Penstemon duchesnensis (N. Holmgren) Neese (syn. P. dolius var. duchesnensis).A highly restricted and rare Utah endemic plant species. There are no occurrences on federal land and most of its habitat is rapidly being developed or otherwise impacted.May 28, 2011, Duchesne Co., Utah, approx. 5,840 ft. elev.
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Penstemon duchesnensis (N. Holmgren) Neese (syn. P. dolius var. duchesnensis).A highly restricted and rare Utah endemic plant species. Note the orbicular corolla lobes overlapping at the base.May 28, 2011, Duchesne Co., Utah, approx. 5,830 ft. elev.
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Penstemon duchesnensis (N. Holmgren) Neese (syn. P. dolius var. duchesnensis).A highly restricted and rare Utah endemic plant species. There are no occurrences on federal land and most of its habitat is rapidly being developed or otherwise impacted.May 28, 2011, Duchesne Co., Utah, approx. 5,800 ft. elev.
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Aspen Springs, California, United States
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Penstemon platyphyllus. June 24, 1984, Salt Lake County, approx. 5300 ft elevation, north of the base of Big Cottonwood Canyon, to the north of the gun club. Scanned from a slide.This is a fairly narrowly restricted Utah endemic plant species with primarily a Wasatch Front distribution (Davis, Salt Lake, Weber Cos. primarily, reportedly barely into Utah Co., disjunct in Duchesne Co. and in Tooele Co.). It grows in a wide elevational range from along the Bonneville Shoreline (and I have seen it at least as low as 4800 ft.) and is reported from elevations in the 7900 to 8900 ft. range. Habitat is in open, rocky or gravelly places, sometimes in rock crevices. Plants become shrubby and grow easily from seed and are appropriate for horticulture/use (although they do become somewhat malodorous in the fall in a garden setting).
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Penstemon platyphyllus Rydb. A primarily Wasatch front endemic plant species. Occurrences are more scattered in the foothills but in some places such as in Big Cottonwood Canyon, it is abundant. For additional information see:
www.flickr.com/photos/tonyfrates/5494918680/July 16, 2011, Big Cottonwood Canyon, Salt Lake County, Utah, Granite Flume Trail, approx 5430 ft. elev.For more information about the flume, see:
www.flickr.com/photos/tonyfrates/5943792681/
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Penstemon platyphyllus Rydb. A primarily Wasatch front endemic plant species. While globally restricted, it is relatively abundant in some places, but at this location there are very few plants.Despite its common name, its upper cauline leaves aren't broad, with the lower cauline leaves becoming broader and more ovate-shaped. Note the horseshoe-shaped anthers.May 31, 2012, Mile High Forest Service property scheduled to be sold, approx. 5190 ft. elev.
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The Utah endemic Penstemon platyphyllus peeking out from behind a rock crevice. It typically grows in rocky, well-drained soils, and at the bases of rock outcrops, but isn't a rock crevice plant per se. The dominant flowering native plant currently, and locally abundant (I dislike that terminology, but it applies in this case) here. This was the scene as I encountered it.June 14, 2012, Burch Hollow area, Millcreek Canyon, Salt Lake County, Utah, approx. 5,410 ft. elev.
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Penstemon platyphyllus Rydb. A primarily Wasatch front endemic plant species. Occurrences are more scattered in the foothills but in some places such as in Big Cottonwood Canyon, it is abundant. For additional information see:
www.flickr.com/photos/tonyfrates/5494918680/July 16, 2011, Big Cottonwood Canyon, Salt Lake County, Utah, Granite Flume Trail, approx 5430 ft. elev.
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Grangeville, Idaho, United States
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Grangeville, Idaho, United States
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Grangeville, Idaho, United States
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Grangeville, Idaho, United States
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Example of a Penstemon grahamii juvenile growing in dense, loose white shales of the Green River formation on a gentle slope.May 27, 2006, Sunday School Canyon, Uintah County, Utah
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Penstemon grahamii grows in soils derived from the Green River formation in dense to loosely scattered white shales (and you can see why they are also referred to as "oil shales" from this picture; there are a number of plant species obligate to this kind of habitat that are sometimes referred to as oil shale endemics).This is the type of surface that companies like Enefit (owned by the country of Estonia), Tomco and Red Leaf Resources want to strip mine in the Uintah Basin.In surveying for a species like this, would you count this as one plant or two? It appears to be two plants perhaps at first glance, with an adult plant (at center) that was one of the few plants we saw that was getting ready to bloom on this date and after walking around in its habitat in several areas (2006 was a very tough year for this species); but a closer look indicates it is probably a single, adult plant.May 27, 2006, Sunday School Canyon, Uintah County, Utah.
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California, United States
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California, United States
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California, United States
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California, United States
