Rhododendron luteum
 Rhododendron luteum Yellow Azalea or Honeysuckle Azalea is a species of Rhododendron native to southeastern Europe and southwest Asia. In Europe it occurs from southern Poland and Austria south through the Balkans and east to southern Russia and in Asia east to the Caucasus.It is a shrub growing to 3 m tall rarely 4 m. The leaves are deciduous 5-10 cm long and 2-4 cm broad. The flowers are 3-4 cm diameter bright yellow and strongly perfumed produced in trusses of 5-25 together.