Bulbophyllum praetervisum alba
Blooming size plant available for sale at $198.  
Only 1 plant available. 

This alba form of Bulbophyllum praetervisum is extremely rare and difficult to come by. The flowers are pure white in colour, around 5 cm in size. This species can bloom easily in local weather. This plant is grown from a cutting, the flower images are from the parent plant.