"(M. soul. ' Burgundy' x M. 'Vulcan') An excellent newer hybrid, having lovely, clear lilac-purple, goblet-shaped blooms of good texture and substance, freely borne on bare branches in early spring. A sturdy, upright, bushy habit. 6 metres. (19 1/2 feet)" http://www.duncananddavies.com/downloads/Duncan-and-Davies-2006-04.pdf
