File:Sunflower8.jpg
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 853 pixels | 2,560 × 1,707 pixels | 6,847 × 4,565 pixels.
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Summary
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| Description |
English: Sunflowers are usually tall annual or perennial plants that in some species can grow to a height of 300 cm (120 in) or more. They bear one or more wide, terminal capitula (flower heads), with bright yellow ray florets at the outside and yellow or maroon (also known as a brown/red) disc florets inside. Several ornamental cultivars of H. annuus have red-colored ray florets; all of them stem from a single original mutant. During growth, sunflowers tilt during the day to face the sun, but stop once they begin blooming. This tracking of the sun in young sunflower heads is called heliotropism. By the time they are mature, sunflowers generally face east. The rough and hairy stem is branched in the upper part in wild plants, but is usually unbranched in domesticated cultivars. The petiolate leaves are dentate and often sticky. The lower leaves are opposite, ovate, or often heart-shaped. |
| Date | |
| Source | https://www.flickr.com/photos/jetjohn/43891660214/ |
| Author | James Johnstone |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by TrotterFechan at https://flickr.com/photos/89786933@N02/43891660214. It was reviewed on 21 February 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:15, 21 February 2021 | | 6,847 × 4,565 (19.41 MB) | Юрий Д.К. (talk | contribs) | Uploaded a work by James Johnstone from https://www.flickr.com/photos/jetjohn/43891660214/ with UploadWizard |
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