Grammangis ellisii var. white

Orchid Grammangis ellisii var. alba is an African botanical species, endemic (grows only) in the north and east of Madagascar, where it inhabits humid forest areas from sea level to altitudes of 1300 m, usually in areas above rivers, having a high thermal tolerance, since it can grow equally in warm or cold climates.
See the care guide for Grammangis Ellisii here.