The orchid Dendrobium Lumajang Exsotik is a hybrid registered with the Royal Horticultural Society by E.Y.Purwanto in 2021.
Top three species ancestors and their influences are

• Dendrobium stratiotes (53.52%)  section: Spatulata 
• Dendrobium bigibbum var. superbum (43.95%)
• Dendrobium bigibbum var. schroederianum (1.56%)