File:P20120812-0045—Cylindropuntia echinocarpa and Dudleya pulverulenta--RPBG—DxO (48514846106).jpg
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[edit]DescriptionP20120812-0045—Cylindropuntia echinocarpa and Dudleya pulverulenta--RPBG—DxO (48514846106).jpg |
Dudleya pulverulenta—chalk dudleya. A large, distinctive Dudleya with a range of over 1,000 km from southern Monterey County to nearly mid-peninsula Baja California. The grayish, chalky (or farinose) covering that gives the species its common name protects it from temperature extremes. The red flowers are a favorite of hummingbirds when in bloom. It is a cliff-dweller in nature and those attempting to grow the plant in gardens are advised to plant it in a more-or-less perpendicular position, as shown in this photo. __________________________ Cylindropuntia echinocarpa—Silver cholla—grows in the Mojave and Sonoran deserts of southwestern United States and the Mexican states of Sonora and Baja California. This very spiny cactus is difficult to grow in gardens outside it normal range. The two plants were photographed at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA. |
Date | |
Source | P20120812-0045—Cylindropuntia echinocarpa and Dudleya pulverulenta--RPBG—DxO |
Author | John Rusk from Berkeley, CA, United States of America |
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This image was originally posted to Flickr by John Rusk at https://flickr.com/photos/12303842@N00/48514846106 (archive). It was reviewed on 27 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
27 October 2019
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current | 06:22, 27 October 2019 | ![]() | 4,096 × 3,084 (13.79 MB) | Rudolphous (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Image title | OLYMPUS DIGITAL CAMERA |
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Camera manufacturer | OLYMPUS IMAGING CORP. |
Camera model | E-PL1 |
Exposure time | 1/200 sec (0.005) |
F-number | f/10 |
ISO speed rating | 400 |
Date and time of data generation | 10:04, 12 August 2012 |
Lens focal length | 45 mm |
Software used | Picture Window Pro 64 v7.0.20 |
File change date and time | 10:04, 12 August 2012 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 10:04, 12 August 2012 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Subject distance | 1.92 meters |
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 | 0.99999994062819 |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |