This member of the Burseraceae family was given this name by Mats Ingmar Thulin in 2001. It is found in Jebel Ma´ali, above Qaysuh on Socotra, growing in a well drained soil or on bare limestone with some water and some to lots of sun. The stem can grow to 30 centimetres in diameter, the entire plant from three to five metres in height. The flowers are greenish.
The genera name honours the Scottish botanist John Boswell, 1710 - 1780. The species name mean 'bulging' for the leaves. Wild plants by Sylvain Cordier. Some plants on a limestone wall from Africa-seeds.com.

