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. Tropical Wit
= Tully x Graham Hewitt registered: 5/03/1992 by Roper N.ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
speciosum 37.5% fleckeri 25.% kingianum 18.8% tetragonum 12.5% jonesii 6.3%
Detailed composition:
Den. Tropical Wit = Tully x Graham Hewitt = [Wyuna x Sunglow] x [Ellen x speciosum]
Sunglow = speciosum x fleckeri
Ella Victoria Leaney = kingianum x jonesii
Ellen = kingianum x tetragonum
Wyuna = fleckeri x Ella Victoria Leaney