Original file (1,632 × 1,232 pixels, file size: 965 KB, MIME type: image/jpeg)
Summary edit
| Description |
Transverse banding on a spine from a fishhook barrel cactus growing in Tucson, Arizona. Each band (1 couplet of thick white and thin red lines) represents one day of spine growth. The most recently grown tissue is at the thick, reddish base (right side in this picture) of the spines. Similar transverse banding is found in the spines of other cactus species as well, most notably saguaro cactus. Each square in the bottom scale = 1 centimeter. |
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| Source |
I (Nathan English) created this work entirely by myself. |
| Date |
01:19, 22 April 2010 (UTC) |
| Author |
Nathan English |
| Permission (Reusing this file) |
See below. |
Licensing edit
   | This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. |
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| current | 01:19, 22 April 2010 | | 1,632 × 1,232 (965 KB) | Nenglish (talk | contribs) | {{Information |Description = Transverse banding on a spine form a fishhook barrel cactus growing in Tucson, Arizona. Each band (1 couplet of thick white and thin red lines) represents one day of spine growth. The most recently grown tissue is at the |
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