Robuta

https://species.wikimedia.org/wiki/Rhododendron_dilatatum_subsp._satsumense

Rhododendron dilatatum subsp. satsumense - Wikispecies

rhododendron dilatatum subsp wikispecies

https://www.rhs.org.uk/plants/210113/rhododendron-dilatatum-satsumense/details

Rhododendron dilatatum 'Satsumense' | /RHS

Find help & information on Rhododendron dilatatum 'Satsumense' from the RHS

rhododendron dilatatum rhs