Sorbus minima Sorbus minima Sorbus minima, commonly known as the lesser whitebeam or least whitebeam, is a shrub belonging to the subgenus "Aria" (whitebeams) in the genus "Sorbus". It is endemic to Wales where it grows at a few sites in Breconshire. It is an apomictic microspecies which reproduces asexually and so is reproductively isolated from its close relatives such as the Swedish whitebeam, "S. intermedia". It probably originated as a hybrid between the rock whitebeam ("S. rupicola") and the rowan ("S. aucuparia"). It was first discovered in 1893 by Augustin Ley, the vicar of Sellack in Herefordshire who travelled widely in
Bethania, Mountain Ash built alongside. Thomas Llewellyn was minister from 1854 until 1888. He was succeeded by Owen Jones who remained until 1909. John Phillips was minister from 1911 until 1945 and Haydn Davies from 1950 until 1960. The chapel remains beautifully preserved and maintained. There were 20 members in 2004. Mountain Ash and District Choral Society hold their practices and rehearsals at the vestry. Bethania, Mountain Ash Bethania, Mountain Ash is an Independent chapel in Phillip Street, Mountain Ash, Glamorgan, Wales. Services at Bethania are conducted in the Welsh language. The church began in the form of a Sunday School built in