The orchid Oncidium Sonnleit'n is a hybrid in the Oncidium genus. registered with the Royal Horticultural Society by O.Gruss in 2019. It is originated by Cramer Registered parents are Oncidium Moselle × Oncidium Goldrausch (1975). The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.