File:Heliotropium amplexicaule flower2 (14628186171).jpg
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[edit]DescriptionHeliotropium amplexicaule flower2 (14628186171).jpg | Introduced, warm season, perennial, prostrate herb to 60 cm tall. Leaves and stems are hairy with glandular and non-glandular hairs. Leaves are alternate, lanceolate, deeply veined and stem clasping. Blue to mauve tubular flowers (with yellow stamens and throat) arranged caterpillar-like in 2 rows on one side of the flowering stem (scirpoid cyme). Flowers most of the year, but not in winter in southern areas. Grows on a wide range of soil types. Predominantly in areas that receive at least 50% of average annual rainfall in summer. It is mostly a problem of run down pasture and disturbed areas such as cropping paddocks, roadsides and waste land. Regenerates from seed and vegetatively from pieces of plant and roots. It is spread by water, fur of animals and in the gut of animals. A weed which is toxic to animals, quite invasive and difficult to control. Causes chronic liver damage in cattle, sheep and horses; can be fatal. Cultivation encourages its spread by stimulating germination and regrowth of plant parts. Management requires an integrated approach including herbicides, productive pasture, grazing management and biological control. There has only been one biological control agent released in Australia, the blue heliotrope leaf-beetle. At high densities, leaf-beetles can completely defoliate blue heliotrope, with both the larvae and adults feeding on the leaves. |
Date | |
Source | Heliotropium amplexicaule flower2 |
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@N04/14628186171. 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 | 18:37, 9 January 2020 | 893 × 670 (236 KB) | Salicyna (talk | contribs) | Cropped 44 % horizontally, 44 % vertically using CropTool with precise mode. | |
14:54, 26 May 2015 | 1,600 × 1,200 (770 KB) | 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 | 5/1,874 sec (0.0026680896478122) |
F-number | f/7.9 |
ISO speed rating | 50 |
Date and time of data generation | Unknown date |
Lens focal length | 5.8 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | E5400v1.3 |
File change date and time | 10:02, 12 July 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | Unknown date |
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 | 28 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Unique image ID | 7e04e2bcc286a9933a3e47874dc82bf8 |
Keywords |
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IIM version | 4 |