The number of endemic plant species (those found nowhere else) per square mile on Socotra and three small outlying islands is the fourth highest of any island group on Earth—after Seychelles ...

We have a special mission: to explore the ecological sanctuary known as the most alien place on planet Earth. We are talking about Socotra Island, located in the Indian Ocean and pertaining to Yemen.

A subspecies of southern Arabia’s desert rose, it is endemic to Socotra. Of the island’s 825 plant species, an estimated 307 are endemic, found nowhere else on Earth. Frank Gardner / BBC ...

Bayley Balfour proceeded to Socotra early in 1880 ... collections included specimens of between five and six hundred species of Phanerogams, besides Cryptogams; though, as might be expected ...

The island chain of Socotra, famed for unique plants and animals ... One of the most iconic of its native species is the blood dragon tree - a striking, umbrella-shaped tree with a thick trunk.