The orchid Oncidium Eximium is a Oncidium hybrid.
registered with the Royal Horticultural Society
by Vuylsteke in 1906.
Registered parents are
Oncidium Ardentissimum
×
Oncidium alexandrae.
The key influencing species of this hybrid are
Oncidium alexandrae (75.00%
)
Oncidium nobile (25.00%
subgenus
Odontoglossum
)
listed in order of their genetic contribution.