The orchid Dendrobium Gracious Cascades is a hybrid registered with the Royal Horticultural Society by D.Cannon in 1982. It is originated by W.& J.Cannons
Top three species ancestors and their influences are

• Dendrobium speciosum (50.00%)
• Dendrobium gracilicaule (25.00%)  section: Dendrocoryne 
• Dendrobium speciosum var. hillii (25.00%)