Sorbus pseudomeinichii Sorbus pseudomeinichii Sorbus pseudomeinichii, known as false rowan and Catacol whitebeam, is a rare tree endemic to the Isle of Arran in south west Scotland. It is believed to have arisen as a hybrid of the native rowan ("Sorbus aucuparia") and the cut-leaved whitebeam ("Sorbus pseudofennica") which is in turn a rowan/Arran whitebeam ("Sorbus arranensis") hybrid. Only two specimens of the Catacol whitebeam are known, making it the rarest tree in Scotland and also the United Kingdom. A third was recorded as a sapling but is believed to have been destroyed by deer. A seedling has also been grown in
Mountain Ash East Newtown, Caegarw, Cwmpennar and Cefnpennar. According to the 2011 UK Census Mountain Ash East had a population of 2,909. Mountain Ash East includes the village's Grade II listed St Margaret's Church, designed by John Pollard Seddon. An electoral ward of Mountain Ash East pre-existed the community. The ward elects one county councillor to Rhondda Cynon Taf County Borough Council. Since 1995 the ward has been represented on the council by Plaid Cymru councillor, Pauline Jarman, who was previously a councillor on Cynon Valley Borough Council. She first stood for election in 1976. Cllr Jarman has been leader of the Plaid