File:3,000 Year Old Yareta Plant (2087602585).jpg
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Summary
Description3,000 Year Old Yareta Plant (2087602585).jpg |
Yareta (Azorella compacta, also known as Azorella yareta in the past) is a tiny flowering plant in the family Apiaceae native to South America, occurring in the Puna grasslands of the Andes in Peru, Bolivia, Chile and the west of Argentina at between 3200 and 4500 metres altitude. Yareta is an evergreen perennial being in leaf all year. The pink or lavender flowers are hermaphrodite (have both male and female organs) and are pollinated by insects. The plant is self-fertile. The plant prefers light (sandy) and well-drained soils. It can grow in nutritionally poor environments, no matter if the soil is acidic, neutral or basic (alkaline). Yareta is well-adapted to high insolation rates which are typical of the highlands, and cannot grow in shade. The plant grows in a very compact way in order to reduce heat losses and very close to ground level where air temperature is one or two degrees Celsius higher than the mean air temperature, this is due to the longwave radiation re-radiated by the soil (which is usually dark gray to black in the Puna). The plan grows at a rate of approximately one millimeter per year, and thus many yaretas are over 3,000 years old. |
Date | |
Source | 3,000 Year Old Yareta Plant |
Author | Pedro Szekely from Los Angeles, USA |
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This image, originally posted to Flickr, was reviewed on 29 January 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
Items portrayed in this file
depicts
some value
19 August 2007
image/jpeg
480d4dc616fb2d207bf4a29a96611630cd913a5d
891,810 byte
1,067 pixel
1,600 pixel
0.06666666666666666666 second
22
28 millimetre
100
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:44, 29 January 2013 | 1,600 × 1,067 (871 KB) | wikimediacommons>File Upload Bot (Magnus Manske) | Transferred from Flickr by User:russavia |
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Metadata
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Camera manufacturer | Canon |
Camera model | Canon EOS 30D |
Author | unknown |
Exposure time | 1/15 sec (0.066666666666667) |
F Number | f/22 |
ISO speed rating | 100 |
Date and time of data generation | 09:17, 19 August 2007 |
Lens focal length | 28 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 20:45, 4 December 2007 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 09:17, 19 August 2007 |
APEX shutter speed | 3.906891 |
APEX aperture | 8.918863 |
APEX exposure bias | 0 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Focal plane X resolution | 3,959.3220338983 |
Focal plane Y resolution | 3,959.3220338983 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Width | 1,600 px |
Height | 1,067 px |
Serial number of camera | 720506364 |
Lens used | EF28-135mm f/3.5-5.6 IS USM |
Owner of camera | unknown |
Date metadata was last modified | 06:07, 4 November 2007 |
Rating (out of 5) | 3 |
Label | Red |
Software used | Adobe Photoshop Lightroom |
Copyright status | Copyright status not set |
Short title |
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Keywords |
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IIM version | 2 |