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. Pinterry= Ellen x Graham Hewitt ( has 14 hybrid progeny ) registered: 1/01/1987 by Roper N.
ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
Den. Pinterry = Ellen x Graham Hewitt = [kingianum x tetragonum] x [Ellen x speciosum]
Ellen = kingianum x tetragonum