To confirm the registration of an Australian native hybrid & view its composition/progeny: (Database as at 1st April 2018 RHS registrations)
For non-Australian Dendrobium hybrids use the Dendrobium Hybrids checklist here
Den. Jesmond Sparkler= Star of Gold x Zip ( has 14 hybrid progeny ) registered: 15/09/1994 by Purvis J.
ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
Den. Jesmond Sparkler = Star of Gold x Zip = [falcorostrum x tetragonum] x [Ku-Ring-Gai x kingianum]
X delicatum = kingianum x speciosum
Ku-Ring-Gai = tetragonum x X delicatum