Dracaena cinnabari, the Socotra Dragon Tree or Dragon Blood Tree, is a Dragon Tree native to the Socotra archipelago in the Indian Ocean. It is so called due to the red sap that the trees produce. Dracaena Cinnabari by Jan Vandorpe.
Strange plants of Socotra Island, Yemen
The Most Alien-Looking Place on Earth: Socotra Island (The Pearl of the Indian Ocean)