Miltoniopsis Hajime Ono (USA) ?'Black%20Falls'-Summerwinds%20Nursery%20Sunnyvale-DSC00581-California-2.jpg?part=0.1&view=1&vt=ANaJVrFHvTDS9PCVp-rME8_-9DYARd7mARQmFR-3Cm4JHPe15Bfk22n6VXb7ULp_U9Vjdrb99wKGAuTcwyRTWAPGf_AAoajlH4aag9yxiVRTtE3a-ZHlHFQ'Black%20Falls'-Summerwinds%20Nursery%20Sunnyvale-DSC00586-California-1.jpg?part=0.2&authuser=0&view=1

I am somewhat confused with cultivar names of orchids. Having known that cultivar names are attached either to the species binomial or genus directly, I find several cultivar names in orchids for which I don't seem to have an explanation, 2 to three word name after the genus and before the cultivar name (within single quotes). May be ... is able to enlighten us and confirm the ID.

It looks like a cultigen of a cultivar :).
I get confused between cultigen and cultivars !!!
But I dont think this is Miltoniopsis Hajime Ono 'Black Falls' but something very close.
They always have a commercial name which differs from the taxonomic names. Like a hypothecial example, Dendrobium affine 'Amitabh Bacchan'. Now if someone produces a next hybrid or among the former there is a plant which looks a bit different then may be he will name it Dendrobium Amitabh Bacchan 'Avishek'.