File:Drosera Capensis.jpg
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Summary[edit]
DescriptionDrosera Capensis.jpg |
English: Drosera capensis, commonly known as the Cape sundew, is a small rosette-forming carnivorous species of perennial sundew native to the Cape in South Africa. Because of its size, easy to grow nature, and the copious amounts of seed it produces, it has become one of the most common sundews in cultivation. D. capensis produces strap-like leaves, up to 3.5 centimetres (1.4 in) long (not including the petiole) and 0.5 centimetres (0.2 in) wide,which, as in all sundews, are covered in brightly coloured tentacles which secrete a sticky mucilage that traps arthropods. When insects are first trapped, the leaves roll lengthwise by thigmotropism toward the center. This aids digestion by bringing more digestive glands in contact with the prey. The plant leaf surrounds the prey within an hour while tentacles continue to move to further trap the prey. Digestion takes well over 6 hours after a prey's original ensnarement.[citation needed] The plant has a tendency to retain the dead leaves of previous seasons, and the main stem of the plant can become quite long and woody with time |
Date | |
Source | Own work |
Author | Salvadi83 |
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This image was uploaded as part of Wiki Science Competition 2017. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:54, 5 December 2017 | 4,288 × 2,848 (2.36 MB) | Salvadi83 (talk | contribs) | User created page with UploadWizard |
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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.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D90 |
Exposure time | 1/125 sec (0.008) |
F-number | f/6.3 |
Date and time of data generation | 08:49, 30 August 2012 |
Lens focal length | 300 mm |
JPEG file comment | AppleMark |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Windows Photo Editor 10.0.10011.16384 |
File change date and time | 10:41, 22 December 2016 |
Y and C positioning | Co-sited |
Exposure Program | Shutter priority |
Exif version | 2.2 |
Date and time of digitizing | 08:49, 30 August 2012 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 4.6666666666667 |
Maximum land aperture | 5.3 APEX (f/6.28) |
Metering mode | Spot |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 450 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |