- Plant: Euphorbia (Euphorbia angularis)
- Uploaded by SongofJoy
- Info: Stem, scape, stalk or bark / By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons / License: Creative Commons (cc-by-sa-3.0) (Attribution, ShareAlike)
