File:Cross-section of felled willow - geograph.org.uk - 1778730.jpg
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Summary
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| Description |
English: Cross-section of felled willow. Close-up of one of the stumps seen in 1778570. As I understand it, almost all the area is XYLEM: sapwood outside the dark ring transports watery sap upwards, inside the ring is heartwood which is not involved in transportation. Annual growth rings are more prominent in the sapwood: in total there were 35 or 36 rings in this 75cm diameter trunk. Just inside the knobbly bark is a medium-dark ring of PHLOEM which transports sugary sap up or down according to the season. Between Xylem and Phloem is a thin ring of darker VASCULAR CAMBIUM from which both structures grow. |
| Date | |
| Source | From geograph.org.uk |
| Author | Keith Edkins |
| Attribution (required by the license) | Keith Edkins / Cross-section of felled willow / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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_heading:67.00&language=en){kind=link}
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Keith Edkins and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Keith Edkins
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:47, 11 March 2011 | | 640 × 480 (140 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Cross-section of felled willow Close-up of one of the stumps seen in 1778570. As I understand it, almost all the area is XYLEM: sapwood outside the dark ring transports watery sap upwards, insid |
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