The orchid Oncidium Apollo is a Oncidium hybrid.
registered with the Royal Horticultural Society
by Armstrong/Brown in 1918.
Registered parents are
Oncidium Armstrongii (syn Oncidium King Albert)
×
Oncidium Queen Mary.
The key influencing species of this hybrid are
Oncidium alexandrae (56.25%
)
Oncidium nobile (6.25%
subgenus
Odontoglossum
)
Oncidium spectatissimum (6.25%
)
listed in order of their genetic contribution.