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. Louise's Rainbow
= Colonial Surprise x Graham Hewitt ( has 9 hybrid progeny ) registered: 23/07/1997 by Klein, IssyANOS judging segment: Australian (Section Dendrocoryne / Phalaenanthe )
Species composition summary:
tetragonum 40.6% speciosum 25.% kingianum 21.9% bigibbum 12.5%
Detailed composition:
Den. Louise's Rainbow = Colonial Surprise x Graham Hewitt = [Aussie Angel x Aussie Ira] x [Ellen x speciosum]
Aussie Ira = Ellen x tetragonum = [kingianum x tetragonum] x tetragonum
Aussie Angel = Aussie Ira x bigibbum = [Ellen x tetragonum] x bigibbum
Ellen = kingianum x tetragonum