To confirm the registration of a Dendrobium hybrid & view its composition/progeny: (Database as at 1 January 2018 RHS registrations)
Den. Buttermilk= Emma x falcorostrum registered: 29/11/1990 by Upton W.T.
ANOS judging segment: Australian (Section Dendrocoryne )
Species composition summary:
Den. Buttermilk = Emma x falcorostrum = [Gillian Leaney x tetragonum] x falcorostrum
Gillian Leaney = X delicatum x kingianum
X delicatum = kingianum x speciosum