File:Dichanthium aristatum node1 NWP - Flickr - Macleay Grass Man.jpg
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Summary
[edit]DescriptionDichanthium aristatum node1 NWP - Flickr - Macleay Grass Man.jpg |
Introduced warm-season perennial tufted C4 grass; stems grow to 180 cm tall and nodes have a prominent ring of hairs; stolons are weakly developed, but it forms a close sward through rooting at nodes of prostrate stems. Flowerheads are subdigitate with 2-5 spreading branches (racemes); base of branches are bare of spikelets for a short distance. Spikelets are hairy and paired; lower spikelet is unstalked, fertile and has a 16-30 mm long awn, upper spikelet is stalked and unawned. Flowers in late autumn. A native of India, it is a sown pasture species with one variety Floren. Best adapted to dark cracking black clays, but occurs on a range of soil types. Drought, flood and salt tolerant, but frost sensitive. Often has poor seed production as it is very late flowering and can be hit by frosts during flowering. Seedlings have low vigour and plants are slow to establish. Tolerant of low fertility, but very responsive to fertiliser. Palatable when leafy and acceptable to cattle, but not sheep, when mature. Very tolerant of grazing and is good at suppressing weeds. This plant growing in a mown roadside verge at Coonamble. |
Date | |
Source | Dichanthium aristatum node1 NWP |
Author | Harry Rose from Dungog, Australia |
Camera location | 30° 56′ 32.61″ S, 148° 22′ 28.48″ E | View this and other nearby images on: OpenStreetMap | -30.942392; 148.374578 |
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Licensing
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This image was originally posted to Flickr by Macleay Grass Man at https://flickr.com/photos/73840284@N04/27378956351. It was reviewed on 22 October 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
22 October 2016
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:07, 30 January 2018 | 924 × 1,231 (463 KB) | Salicyna (talk | contribs) | cropped | |
06:13, 22 October 2016 | 3,200 × 2,401 (2.72 MB) | Josve05a (talk | contribs) | == {{int:filedesc}} == {{Information |Description=Introduced warm-season perennial tufted C4 grass; stems grow to 180 cm tall and nodes have a prominent ring of hairs; stolons are weakly developed, but it forms a close sward through rooting at nodes of... |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/160 sec (0.00625) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 09:55, 20 May 2016 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | GIMP 2.8.22 |
File change date and time | 15:06, 30 January 2018 |
Exif version | 2.2 |
Date and time of digitizing | 09:55, 20 May 2016 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 7.3125 |
APEX aperture | 6 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
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 | Standard |
Y and C positioning | Centered |
Width | 3,200 px |
Height | 2,401 px |
Supported Flashpix version | 1 |
Image width | 3,200 px |
Image height | 2,401 px |