Miltoniopsis roezlii
Botanical name: Miltoniopsis sp.
Common name: Miltoniopsis
Family: Orchidaceae
Origin: South America
They differ from Miltonia by having one leaf to each pseudobulb, and a lobed column that is united to the labellum through a keel.
Link to this plant:
https://toptropicals.com/catalog/uid/miltoniopsis_sp.htm