Rhododendron kaempferi ( Mme. Albert Van Hecke Torch Azalea )
Rhododendron kaempferi , or torch azalea , is a dusty - unfearing , semi - evergreen shrub , unremarkably tall and broad . The Kaempferi hybrid were bred from R. kaempferi as well as R. ‘ Malvatica ’ and R. “ Maxwelli . ’ leave are glossy , lance - influence to ovate , 1 1/2 to 2 in long . Flowers are behave in showy trusses of 2 to 4 per clustering ....