Hedlundia pseudomeinichii, known as false rowan[2] and Catacol whitebeam, is a rare species of tree endemic to the Isle of Arran in south-western Scotland.

[1] During September 2020 a second tree was discovered and confirmed by Dr Ashley Robertson as a new location for the taxa, rather than the rediscovery of one of the two previously known plants that had been lost'.

[4] The discovery followed work in the 1990s by Scottish Natural Heritage (SNH), Dougarie Estate and Royal Botanic Garden Edinburgh.

It is very complex picture but we think that the Arran whitebeams are gradually evolving towards a new type of tree which will probably look very similar to a rowan.

"[5] Dr. Ashley Robertson of Bristol University, who helped discover the species, said: "It is not an evolutionary dead end.