Rhododendron luteum
Overview
 
Rhododendron luteum, Yellow Azalea or Honeysuckle Azalea is a species of Rhododendron
Rhododendron
Rhododendron is a genus of over 1 000 species of woody plants in the heath family, most with showy flowers...

native to southeastern Europe and southwest Asia. In Europe, it occurs from southern Poland and Austria south through the Balkans
Balkans
The Balkans is a geopolitical and cultural region of southeastern Europe...

 and east to southern Russia, and in Asia, east to the Caucasus
Caucasus
The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

.

It is a shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 growing to 3 m tall, rarely 4 m. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

, 5-10 cm long and 2-4 cm broad.
 
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