R. nuttallii ssp. sinonuttalliiClosly resembling R. nuttallii, this subspecies R. sinonuttallii (Maddenia ) is a large, handsome evergreen shrub or small tree with beautiful smooth and peeling reddish brown bark. The new growth is silvery. The impressively large leaves are elliptical in shape with a deeply bulbous surface. The leaves are densely scaly. The flowers of this species are one of the most impressive in the genus. They are funnel bell shaped and up to 12 cm long and wide.