Rhododendron calendulaceum var. cupraea (Azalea calendulacea cupraea). Handcoloured copperplate engraving by George Cooke from Conrad Loddiges' Botanical Cabinet, Hackney, 1828.
Rhododendron calendulaceum var. cupraea (Azalea calendulacea cupraea). Handcoloured copperplate engraving by George Cooke from Conrad Loddiges' Botanical Cabinet, Hackney, 1828.