File:Cottonthorn, Tetradymia axillaris var. axillaris (30654349627).jpg
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[edit]DescriptionCottonthorn, Tetradymia axillaris var. axillaris (30654349627).jpg |
cottonthorn, Tetradymia axillaris var. axillaris, California, White Mountains, McAfee Creek, Fishlake Valley drainage, elevation 1647 m (5405 ft). The common name of this desert shrub refers to the dense cottony hairs on the young spines, which later shed their hairs. Anatomically the spines form from the primary leaves of the plant (true thorns come from branches instead). The green leaves that you see on the plant are actually secondary leaves that develop after the primaries. Tetradymia axillaris is nearly endemic to the western and northern Mojave Desert of eastern California, southern Nevada, and southwest Utah below about 2300 meters (7550 feet) elevation. It extends only shortly into the surrounding mountains and Great Basin desert. The variety axillaris, characterized by its smooth green phyllaries, is even more restricted, found only in the northern Mojave - southern Great Basin transition zone of southern Nevada and adjacent California. |
Date | |
Source | cottonthorn, Tetradymia axillaris var. axillaris |
Author | Jim Morefield from Nevada, USA |
Camera location | 37° 38′ 04.96″ N, 118° 05′ 38.36″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
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This image was originally posted to Flickr by Jim Morefield at https://flickr.com/photos/127605180@N04/30654349627 (archive). It was reviewed on 29 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
29 December 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:07, 29 December 2019 | ![]() | 3,648 × 2,736 (6.13 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | cottonthorn, Tetradymia axillaris var. axillaris, California, White Mountains, McAfee Creek, Fishlake Valley drainage, elevation 1647 m (5405 ft). |
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Camera manufacturer | OLYMPUS IMAGING CORP. |
Camera model | E-510 |
Author | Camera owner, James D. Morefield; Photographer, James D. Morefield; Image creator, James D. Morefield |
Exposure time | 1/500 sec (0.002) |
F-number | f/11 |
ISO speed rating | 200 |
Date and time of data generation | 15:51, 30 April 2017 |
Lens focal length | 42 mm |
User comments | cottonthorn, Tetradymia axillaris var. axillaris, California, White Mountains, McAfee Creek, Fishlake Valley drainage, elevation 1647 m (5405 ft). |
Latitude | 37° 38′ 4.96″ N |
Longitude | 118° 5′ 38.36″ W |
Altitude | 1,647.444 meters above sea level |
Headline | cottonthorn, Tetradymia axillaris var. axillaris, California, White Mountains, McAfee Creek, Fishlake Valley drainage, elevation 1647 m (5405 ft). |
City shown | Bishop |
Orientation | Normal |
Horizontal resolution | 314 dpi |
Vertical resolution | 314 dpi |
Software used | RoboGEO v6.3.2 |
File change date and time | 15:51, 30 April 2017 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 15:51, 30 April 2017 |
Meaning of each component |
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APEX exposure bias | 0 |
Maximum land aperture | 3.61328125 APEX (f/3.5) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Soft |
Saturation | Normal |
Sharpness | Soft |
GPS time (atomic clock) | 22:51 |
Reference for direction of image | True direction |
Direction of image | 67.5 |
Geodetic survey data used | WGS 1984 |
GPS date | 30 April 2017 |
GPS tag version | 0.0.3.2 |
IIM version | 4 |
Province or state shown | California |
Country shown | United States |