GENUS Rhododendron |
Betty Wormald |
1999 Big Leaf Rhododendron FtBragg Botanical Gardens |
Subgenus Rhododendron
small leaf with scales on the underside. Species forsterianum Species forsterianumSubgenus Hymenanthes
large leaf about 140 species, type: Rhododendron degronianum.Subgenus Pentanthera
deciduous azaleas; about 25 species, type Rhododendron luteum.Subgenus Tsutsusi:
evergreen azaleas, about 15 species; type Rhododendron indicum.Subgenus Azaleastrum Planch.:
five species; type Rhododendron ovatum.Subgenus Candidastrum
one species; Rhododendron albiflorum.Subgenus Mumeazalea:
one species, Rhododendron semibarbatum.Subgenus Therorhodion:
one species, Rhododendron camtschaticum.Subgenus Vireya:
Vireya.