Rhododendron 'Ne Plus Ultra'
19973641 Cultivated material
Rhododendron 'Unique'
19568907 Cultivated material
Rhododendron 'Ursula Siems'
19577083 Cultivated material
Rhododendron arboreum Sm.
19568024 Cultivated material
19568164 Cultivated material
19577189 Cultivated material
19598052 Cultivated material
19620923 Wild collected in Nepal
19710031 Cultivated from material wild collected in Nepal
19832478 Cultivated from material wild collected in India
19881142 Wild collected in Nepal
19902638 Wild collected in Bhutan
19970844 Uncertain
19970898 Uncertain
20160784 Wild collected in Nepal
20160833 Wild collected in Nepal
20160903 Wild collected in Nepal
20160954 Wild collected in Nepal
20161012 Wild collected in Nepal
20170691 Wild collected in Vietnam
20170894 Wild collected in Vietnam
20200248 Wild collected in Vietnam
Synonym(s):
Rhododendron undulatum Sweet ex Steudel
Rhododendron nepalense Hort.
Rhododendron rollisonii Lindl.
Rhododendron purpureum Buch.-Ham. ex D.Don
Rhododendron arfakianum Becc.
20090797 Wild collected in Indonesia
Synonym(s):
Rhododendron undulaticalyx J.J.Sm.
Rhododendron keysii Nutt.
19568446 Cultivated material
19577136 Cultivated material
19760888 Wild collected in Bhutan
19902811 Wild collected in Bhutan
20170995 Cultivated material
20240572 Cultivated from material wild collected in Bhutan
Synonym(s):
Rhododendron igneum Cowan
Rhododendron keysii var. unicolor Hutch.
Rhododendron laetum J.J.Sm.
19670214 Wild collected in Papua New Guinea
20090775 Wild collected in Indonesia
20090902 Wild collected in Indonesia
20090994 Wild collected in Indonesia
20140055 Wild collected in Indonesia
Synonym(s):
Rhododendron uliginosum J.J.Sm.
Rhododendron mariesii Hemsl. & E.H.Wilson
19861015 Wild collected in China
Synonym(s):
Rhododendron gnaphalocarpum Hayata
Rhododendron umbelliferum H.Lév.
Rhododendron shojoense Hayata
Rhododendron smirnowii × ungernii Trautv.
19623835 Wild collected in Türkiye (Turkey)
20231783 Cultivated from material wild collected in Türkiye (Turkey)
Rhododendron ultimum Wernham
20002011 Wild collected in Indonesia