Oncidium Adrianae grex (Oncidium alexandrae × Oncidium x adrianae)

The orchid Oncidium Adrianae grex is a hybrid in the Oncidium genus. registered with the Royal Horticultural Society by Crawshay in 1907. Registered parents are Oncidium alexandrae × Oncidium x adrianae. The key influencing species of this hybrid are Oncidium alexandrae (50.00% ) Oncidium nobile (25.00% subgenus Odontoglossum ) Oncidium luteopurpureum (25.00% subgenus Odontoglossum ) listed in order of their genetic contribution.