File:Serenoa repens (green saw palmetto) (49748104833).jpg
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[edit]DescriptionSerenoa repens (green saw palmetto) (49748104833).jpg |
Serenoa repens (Bartram, 1791) - green saw palmetto (Sanibel-Captiva Conservation Foundation's Native Plant Nursery, Sanibel Island, Florida, USA) Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago). The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction. The green saw palmetto, Serenoa repens, is native to Florida and some adjacent areas of southeastern America. Classification: Plantae, Angiospermophyta, Arecales, Arecaceae See info. at: <a href="https://en.wikipedia.org/wiki/Serenoa" rel="noreferrer nofollow">en.wikipedia.org/wiki/Serenoa</a> |
Date | |
Source | Serenoa repens (green saw palmetto) |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49748104833. It was reviewed on 14 April 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
14 April 2020
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current | 02:59, 14 April 2020 | ![]() | 4,000 × 3,000 (3.99 MB) | Poldavia (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Exposure time | 1/400 sec (0.0025) |
F-number | f/4.9 |
ISO speed rating | 80 |
Date and time of data generation | 14:58, 15 December 2012 |
Lens focal length | 18.6 mm |
Width | 4,000 px |
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Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 16.0 (Macintosh) |
File change date and time | 02:20, 8 April 2020 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 14:58, 15 December 2012 |
Meaning of each component |
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APEX shutter speed | 8.65625 |
APEX aperture | 4.59375 |
APEX exposure bias | 0 |
Maximum land aperture | 4.59375 APEX (f/4.91) |
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Focal plane resolution unit | inches |
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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 | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 22:20, 7 April 2020 |
Unique ID of original document | A053356646441247F94EF02F9C7A031A |
IIM version | 24,931 |