R. degronianum ssp. yakushimanum 'Exbury form'Here is a form of the true species R. degronianum ssp. yakushimanum that was selected by Exbury Gardens on The Rothschild Estate, Hampshire , England in the UK. Similar to the clone 'Koichiro Wada' that came from Japan, this plant will grow slowly to 2. 5 ft tall and wide in 10 years. The foliage is very dark green, shiny, with the undersides exhibiting a tan colored, suede like covering called indumentum. The flowers open pink, then fade to white,