File:Marrubium vulgare leaf5 (14695832183).jpg
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[edit]DescriptionMarrubium vulgare leaf5 (14695832183).jpg | Introduced, yearlong green, perennial, aromatic herb to 60 cm tall and covered in dense white hairs. Stems are erect, square in cross-section & much branched near the base. Leaves are oppositely arranged and crinkled. White zygomorphic flowers occur in clusters of 6-12 in the leaf axils; they form dry brown burrs with hooked spines. Germinates whenever there is sufficient rain; flowers throughout the year. A weed in a wide range of habitats where competition has been reduced by disturbance, overgrazing or previous grazing by sheep. Rarely invades undisturbed native vegetation and does not establish in cultivated paddocks. Prefers alkaline soils with low ground cover and rainfall of more than 200 mm. Seed spread by burrs attaching to animals and equipment, by water or in dung. Invasive, producing large numbers of long-lived seeds; causes vegetable fault in wool. Bitter tasting; unpalatable to stock; taints meat. Control options include hand-pulling, biological control agents, herbicides, burning, slashing, cultivation and sowing of competitive species. |
Date | |
Source | Marrubium vulgare leaf5 |
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@N04/14695832183. 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 | 15:05, 26 May 2015 | 4,000 × 3,000 (3.76 MB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/125 sec (0.008) |
F-number | f/2.8 |
ISO speed rating | 80 |
Date and time of data generation | 15:02, 15 July 2014 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Picasa |
File change date and time | 21:00, 17 July 2014 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 15:02, 15 July 2014 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 6.96875 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Unique image ID | 512c245e178393c9dbb05aaa6f2965f4 |
Keywords |
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IIM version | 4 |