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. Sorrento Star
= Jesmond Sparkler x tetragonum registered: 23/06/2009 by Australian O.N.ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
tetragonum 68.8% kingianum 15.6% falcorostrum 12.5% speciosum 3.1%
Detailed composition:
Den. Sorrento Star = Jesmond Sparkler x tetragonum = [Star of Gold x Zip] x tetragonum
Zip = Ku-Ring-Gai x kingianum = [tetragonum x X delicatum] x kingianum
X delicatum = kingianum x speciosum
Star of Gold = falcorostrum x tetragonum