File:Rumex brownii leaf1 - Flickr - Macleay Grass Man.jpg
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Summary
[edit]DescriptionRumex brownii leaf1 - Flickr - Macleay Grass Man.jpg | Native, warm-season, perennial, rosette-forming herb when young, later becoming erect, branched and 50-80 cm tall. Leaves are paddle-shaped and up to 12 cm long, often with wavy margins. Flowers are very small and greenish red, occurring in distinctly separate whorls along the spikes. Small triangular fruits have hooked teeth, which allow them to cling to clothes and fur. Flowering is from spring to summer. Found in lawns, pastures and roadsides in full sun or partial shade, but is not restricted to wet areas as the name suggests. Native biodiversity. It may cause oxalate poisoning, but this usually only occurs when starving animals are grazing high densities of the plant. Poisoning is rarely a problem, as plants are usually scattered and large quantities need to be eaten to cause problems. Generally unpalatable, although some landholders report that it is readily eaten in summer. Becomes more abundant with overgrazing, but generally not present in large enough numbers to warrant control. Most effective control is to maintain a healthy vigorous pasture. Slashing is ineffective. Hoeing requires the taproot to be cut off at deeper than 15 cm below ground level. A number of herbicides are registered for control. |
Date | |
Source | Rumex brownii leaf1 |
Author | Harry Rose from Dungog, Australia |
Licensing
[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Macleay Grass Man at https://flickr.com/photos/73840284@N04/18947784826. It was reviewed on 27 November 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
27 November 2016
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:50, 27 November 2016 | 3,008 × 2,000 (1.38 MB) | Josve05a (talk | contribs) | == {{int:filedesc}} == {{Information |Description=Native, warm-season, perennial, rosette-forming herb when young, later becoming erect, branched and 50-80 cm tall. Leaves are paddle-shaped and up to 12 cm long, often with wavy margins. Flowers are ve... |
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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 | KONICA MINOLTA DIGITAL CAMERA |
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Camera manufacturer | KONICA MINOLTA |
Camera model | DYNAX 5D |
Exposure time | 1/160 sec (0.00625) |
F-number | f/7.1 |
ISO speed rating | 100 |
Date and time of data generation | 12:07, 30 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 | 13:44, 20 June 2015 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 12:07, 30 March 2006 |
Meaning of each component |
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APEX brightness | 8.12 |
APEX exposure bias | 0 |
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 | 80e2b59c10fb700a367dbe6c817a055a |
Keywords |
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IIM version | 4 |