The orchid Oncidium Sultan is a hybrid in the
Oncidium genus.
registered with the Royal Horticultural Society
by Bird in 1915.
Registered parents are
Oncidium Charlesworthii
×
Oncidium Crispo-Harryanum.
The key influencing species of this hybrid are
Oncidium harryanum (50.00%
subgenus
Nevadensia
)
Oncidium noezlianum (25.00%
)
Oncidium alexandrae (25.00%
)
listed in order of their genetic contribution.