File:Rumex venosus (winged dock) (Killpecker Sand Dunes, Leucite Hills, north of Rock Springs, Wyoming, USA) 2 (48927172061).jpg

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Rumex venosus Pursh, 1813 - winged dock in Wyoming, USA.

The Killpecker Sand Dunes are located in the northern Leucite Hills area of southwestern Wyoming. The wind-blown sediments here, referred to as "eolian" by geologists, are dominated by well rounded to subrounded quartz sand grains, plus minor mafic and lithic grains.

The Killpecker Dune Field ranges from being partially vegetated to nonvegetated. The name is in reference to natural saltpeter in a nearby creek, which is traditionally used as a male anaphrodisiac in humans. Most modern discussions assert that this is a myth. However, I've yet to see an assertion like that accompanied by a citation to an actual study or scientific evidence. So, . . .

The sand in the dune field is principally derived from weathered and eroded sandstone outcrops in the Laney Member of the Green River Formation (Eocene).

The plant seen here is known by the bizarre common names "veiny dock" or "winged dock". The species is native to western America.

Classification: Plantae, Angiospermophyta, Caryophyllales, Polygonaceae

Locality: ~3 miles ~north of Chilton Road (Sweetwater County Road 17), Killpecker Sand Dunes (Killpecker Dune Field) - "Sand Dunes Wilderness Study Area", southeast of the town of Farson & east-southeast of the town of Eden, northwestern Sweetwater County, southwestern Wyoming, USA (41° 59' 00.11" North latitude, 109° 09' 20.72" West longitude)

See info. at:

<a href="https://en.wikipedia.org/wiki/Rumex_venosus" rel="noreferrer nofollow">en.wikipedia.org/wiki/Rumex_venosus</a>
Date
Source Rumex venosus (winged dock) (Killpecker Sand Dunes, Leucite Hills, north of Rock Springs, Wyoming, USA) 2
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/48927172061. It was reviewed on 4 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

4 November 2019

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current14:28, 4 November 2019Thumbnail for version as of 14:28, 4 November 20194,000 × 3,000 (7.69 MB)Ainz Ooal Gown (talk | contribs)Transferred from Flickr via #flickr2commons

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