File:Oxalis Triangularis Photonasty Timelapse Darkening.ogv
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Original file (Ogg Theora video file, length 4.3 s, 1,280 × 720 pixels, 4.5 Mbps, file size: 2.29 MB)
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| Description |
English: Oxalis triangularis (also known as the love plant or purple shamrock) is a classic example of a plant which responds with movement to external stimulus. The leaves open and close in response to varying light levels with the result that they are open during the day and close at night. This is true movement (i.e. not growth) and is non-directional with respect to the stimulus making it an example of nastic movement towards light: photonasty.
One image captured every 30 seconds for about 1.5 hours, played back at 25 frames per second; ~750x actual speed. |
| Date | (UTC) |
| Source | Own work by the original uploader |
| Author | Zephyris |
| Other versions | File:Oxalis Triangularis Photonasty Timelapse.ogg |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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Original upload log edit
Transferred from en.wikipedia to Commons using For the Common Good.
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 23:47, 16 June 2010 | 1,280 × 720 (2,406,277 bytes) | w:en:Zephyris (talk | contribs) | {{Copy to Wikimedia Commons}} == Summary == {{Information |Description = ''[[Oxalis triangularis]]'' (also known as the love plant or purple shamrock) is a classic example of a [[plant]] which responds with [[movement]] to external [[stimulus]]. The [ |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:16, 31 December 2015 | 4.3 s, 1,280 × 720 (2.29 MB) | TerraCodes (talk | contribs) | Transferred from en.wikipedia: see original upload log above |
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