Dendrobium perlongum Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 196, fig. 736
Dendrobium perlongum Schltr., isotype specimen: Schlechter 17102 (L)
Dendrobium perlongum Schltr., detail of isotype specimen: Schlechter 17102 (L)
