Children (8 direct children, 8 direct and indirect children):
Rhododendron arboreum var. cinnamomeum
Rhododendron arboreum var. roseum
Rhododendron arboreum var. arboreum
Rhododendron arboreum delavayi
Rhododendron arboreum subsp. albotomentosum
Rhododendron arboreum subsp. zeylanicum
Rhododendron arboreum subsp. arboreum
Rhododendron arboreum subsp. cinnamomeum