The orchid Oncidium Negra is a hybrid in the
Oncidium genus.
registered with the Royal Horticultural Society
by Charlesworth Ltd. in 1927.
Registered parents are
Oncidium Brewii
×
Oncidium Vuylstekeae.
The key influencing species of this hybrid are
Oncidium harryanum (37.50%
subgenus
Nevadensia
)
Oncidium noezlianum (37.50%
)
Oncidium nobile (25.00%
subgenus
Odontoglossum
)
listed in order of their genetic contribution.