The Dragon Blood Tree, native to the remote Socotra Island in Yemen, is one of the rarest and most unique trees on Earth. With its striking umbrella-shaped canopy and deep red sap known as "dragon ...

It is, however, another endemic tree, the dragon’s blood, that’s come to symbolize Socotra, its distinctive shape even depicted on Yemen’s 20-rial coin. A relative of the common houseplants ...