The orchid Oncidium Trina is a hybrid in the
Oncidium genus.
registered with the Royal Horticultural Society
by Merck in 1955.
It is originated by Charlesworth Ltd.
Registered parents are
Oncidium Mandalum
×
Oncidium Amazon.
The key influencing species of this hybrid are
Oncidium alexandrae (68.75%
)
Oncidium luteopurpureum (6.25%
subgenus
Odontoglossum
)
listed in order of their genetic contribution.