Rhododendron 'Cunningham's White'
caucasicum (s) x white flowered ponticum
Flowers: c8/ rather lax truss, funnel-shaped, 40 x 50-60mm. mauve in bud, opening white, with a ray of pale purple and brown markings.
Calyx 5mm wide with small triangular lobes.
Shrub to 3.0m.
Location: Ramster 2010
Photo: Miranda Gunn