Rhododendron calostrotum

Rhododendron calostrotum is a species of flowering plant in the genus "Rhododendron" native to Tibet, south-central China, and Myanmar. Its putative subspecies "Rhododendron calostrotum" subsp. "keleticum", called the beautiful-covering rhododendron, and its cultivar 'Gigha' have both gained the Royal Horticultural Society's Award of Garden Merit.
Supbspecies.
The following subspecies are currently accepted: