Oncostelopsis Sang's Elfenstern (Oncostelopsis Helmut Sang × Oncidium alexandrae)

The orchid Oncostelopsis Sang's Elfenstern is a Oncostelopsis hybrid registered with the Royal Horticultural Society by H.Sang in 2012.
Top three species ancestors and their influences are

• Oncidium alexandrae (55.2978515625%)
• Rhynchostele rossii (12.5%)
• Oncidium harryanum (5.908203125%)  subgenus Nevadensia