Rhododendron ( Firebird Kurume Azalea )
The Kurume hybrid azaleas of Japan owe their parentage to several species of mountain azaleas , predominantly R. sataense with R. kiusianum . Formerly , the Kurume hybrids were grouped under R. obtusum , but advanced horticulturists now consider R. obtusum a hybrid and not a separate species . Dense , upright , evergreen plant shrub with small , 1 1/4 column inch long , elliptical , calendered , olive green leaves ....