The orchid Dendrobium Royal Blood is a hybrid registered with the Royal Horticultural Society by B.Cagauan in 1982. It is originated by Teruo Oka
Top three species ancestors and their influences are

• Dendrobium gouldii (50.00%)  section: Spatulata 
• Dendrobium discolor (12.50%)  section: Spatulata 
• Dendrobium bigibbum var. superbum (12.50%)