To confirm the registration of an Australian native hybrid & view its composition/progeny: (Database as at 1st January 2020 RHS registrations)
For non-Australian Dendrobium hybrids use the Dendrobium Hybrids checklist here
Den. Joysum
= Joy Wray x X ruppiosum registered: 26/10/1995 by Roper N.ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
kingianum 43.8% jonesii 25.% speciosum 25.% falcorostrum 6.3%
Detailed composition:
Den. Joysum = Joy Wray x X ruppiosum = [kingianum x Kingrose] x [speciosum x jonesii]
Kingrose = Bardo Rose x kingianum = [falcorostrum x kingianum] x kingianum