File:Raphanus raphanistrum flowerhead1 (14758456599).jpg
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![File:Raphanus raphanistrum flowerhead1 (14758456599).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Raphanus_raphanistrum_flowerhead1_%2814758456599%29.jpg/800px-Raphanus_raphanistrum_flowerhead1_%2814758456599%29.jpg?20150526172617)
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[edit]DescriptionRaphanus raphanistrum flowerhead1 (14758456599).jpg | Introduced, cool-season, annual tap-rooted herb. Initially forms rosette then produces erect flowering stems to 1 m tall. Stems and leaves with bristly hairs. Leaves variable, often large (to 30 cm long) with deeply-lobed rounded margins. Cotyledons are heart-shaped and hairless. Petals 10-20 mm long; white, pale yellow or lilac with darker veins. Stalked fruits are held away from stem; to 6 cm long, cylindrical and constricted between seeds. Germinates autumn to spring. Flowering is from late winter to summer. Major weed of winter crops (especially canola and turnips) and young pastures in southern Australia. A weed of wasteland and roadsides. Mostly spread as a contaminant in agricultural products. Declared noxious in some southern NSW areas. Taints meat and milk when grazed and is responsible for poisoning of cattle and lambs. In crops, small infestations can be chipped or spot sprayed. Large infestations require repeated cultivation or selective herbicides. In pastures it is suppress by maintaining vigorous pastures. |
Date | |
Source | Raphanus raphanistrum flowerhead1 |
Author | Harry Rose from South West Rocks, Australia |
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This image was originally posted to Flickr by Macleay Grass Man at https://www.flickr.com/photos/73840284@N04/14758456599. It was reviewed on 26 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
26 May 2015
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current | 17:26, 26 May 2015 | ![]() | 3,008 × 2,000 (905 KB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Image title | KONICA MINOLTA DIGITAL CAMERA |
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Camera manufacturer | KONICA MINOLTA |
Camera model | DYNAX 5D |
Exposure time | 1/320 sec (0.003125) |
F-number | f/13 |
ISO speed rating | 100 |
Date and time of data generation | 15:03, 31 March 2006 |
Lens focal length | 70 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | DYNAX 5D v1.00 |
File change date and time | 21:12, 17 August 2014 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:03, 31 March 2006 |
Meaning of each component |
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APEX brightness | 10.12 |
APEX exposure bias | −0.7 |
Maximum land aperture | 4.97 APEX (f/5.6) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 105 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Unique image ID | 7993b54fa6f03f5980842ce324c2871f |
Keywords |
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IIM version | 4 |