The orchid Oncidium Mentone is a hybrid in the
Oncidium genus.
registered with the Royal Horticultural Society
by Colman in 1921.
Registered parents are
Oncidium Othello (1914)
×
Oncidium Eximium.
The key influencing species of this hybrid are
Oncidium alexandrae (43.75%
)
Oncidium nobile (15.63%
subgenus
Odontoglossum
)
Oncidium harryanum (12.50%
subgenus
Nevadensia
)
listed in order of their genetic contribution.