close up on the beautiful azalea rhododendron kiusianum rauschenstein at the botanical garden berlin-dahlem, germany

azalea berlin berlindahlem bloom blooming branch bunch china cluster colorful colourful country cultivating decorative erect evergreen flower garden germany green group growing head india kiusianum landscape leaves mauve nature open ornamental outdoor petal picturesque pink rauschenstein red rhododendron rose rural setting shape showy shrub spectacular spring stamen stem