File:Ageratina adenophora habit2 (11508103385).jpg
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[edit]DescriptionAgeratina adenophora habit2 (11508103385).jpg | Introduced, cool-season, perennial, erect herb; 1-2 m tall and often with many stems arising from an underground crown. Stems and leaves are covered with sticky hairs. Leaves are opposite, triangular to diamond-shaped and 4-12 cm long, with toothed margins. Flowerheads consist of numerous clusters of white heads (5-8 mm wide) at the stem tips. Flowering is in early spring. A native of Central America, it is a weed of land with poor ground cover and prefers moist, fertile, frost free growing conditions. Mostly occurs on land that has not been revegetated or where there is limited grazing (e.g. forests, roadsides and wasteland). Produces large numbers of seeds that are transported by wind, water, vehicles, hay and stock. Very palatable, but poisonous to horses when the plant is in flower. Horses may develop symptoms after several months of exposure to the plant and this can eventually lead to death from respiratory failure. Sheep and goats also find it palatable, but eat it without ill effect as long as other pasture is available. It is unpalatable to cattle. Controlled by digging out isolated plants (including crowns); regular slashing; spraying with herbicides in late summer/autumn; grazing with goats and; establishing and managing competitive pastures for good groundcover and bulk. |
Date | |
Source | Ageratina adenophora habit2 |
Author | Harry Rose from South West Rocks, 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://www.flickr.com/photos/73840284@N04/11508103385. 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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:14, 26 May 2015 | 2,592 × 1,944 (2.1 MB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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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 |
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Camera model | E5400 |
Exposure time | 2/33 sec (0.060606060606061) |
F-number | f/3.6 |
ISO speed rating | 50 |
Date and time of data generation | 09:23, 27 July 2006 |
Lens focal length | 11.8 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | E5400v1.3 |
File change date and time | 15:36, 23 December 2013 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 09:23, 27 July 2006 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Partial |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
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 | 0 |
Focal length in 35 mm film | 57 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Unique image ID | 47e2cd428922ae0ddd660d3e9e3605a2 |
Keywords |
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IIM version | 4 |