N. graellsii by Brian Duncan, Northern Ireland • July 6, 2018 • Comments Off on N. graellsiiClick any photo to see a larger view I was delighted to learn from Theo that N. b. graellsii is a tetraploid. It is one of my favourite bulbocodiums though quite variable in form and size. Nore recently theo has mentioned several other bulbocodiums as tetraploids that will… Read more →