Rhododendron arboreum Sm.

Exotic Botany 1: 9–10, t. 6 (1805).

— Lectotype (designated by Britten 1906: 240): Hardwicke Drawing no. 40 (BM!). Fig. 6.

Rhododendron puniceum Roxb. ex Colebr. in Raper, Asiatick Researches 11: 468 (1810). — Lectotype (designated here): T. Hardwicke, Plants of India Vol. VII ( Add MS 11016): drawing no. 23 (British Library Western Manuscripts).