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. Sundowner
= Tolga x Sunglow registered: 30/09/2004 by Roper N.ANOS judging segment: Australian (Section Dendrocoryne / Phalaenanthe )
Species composition summary:
speciosum 37.5% fleckeri 25.% tetragonum 21.9% kingianum 9.4% bigibbum 6.3%
Detailed composition:
Den. Sundowner = Tolga x Sunglow = [Brolga x Pinterry] x [speciosum x fleckeri]
Pinterry = Ellen x Graham Hewitt = [kingianum x tetragonum] x [Ellen x speciosum]
Hilda Poxon = speciosum x tetragonum
Brolga = Suzanne x Hilda Poxon = [bigibbum x tetragonum] x Hilda Poxon
Ellen = kingianum x tetragonum