The orchid Oncidium Saint James is a Oncidium hybrid.
registered with the Royal Horticultural Society
by Charlesworth Ltd. in 1918.
Registered parents are
Oncidium Amabile
×
Oncidium Amethyst.
The key influencing species of this hybrid are
Oncidium alexandrae (68.75%
)
Oncidium harryanum (18.75%
subgenus
Nevadensia
)
Oncidium nobile (12.50%
subgenus
Odontoglossum
)
listed in order of their genetic contribution.