Dragon Tree (Dracaena ombet). It is over 500 years old, according to my guide. (1266k)
Here are the pictures of Dragon Tree (Dracaena ombet) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
Djibouti Nature
Dr. Günther Eichhorn Travel Website
Soaring website