Rhododendron indicum (L.) Sweet [ Azalea indica L.]
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Rhododendron indicum (L.) Sweet var. Madame Alex. Hardy
[Azalea indica L. var. Madame Alex. Hardy] [Ericaceae]
L.B. Van Houtte, Fl. Serres, vol. 19 (Annales Générales d’Horticulture): t. 2020 (1845)