Mini Phal?

[King_of_orchid_growing:)]

Google.

Orchid roots do adjust to the different microclimate it has been accustomed to growing in, and that is exactly why you observed what you've observed. Aerial roots or roots in the pot, they are anatomically the same, but they have some slight physiological differences that help them cope with where they've been growing.

Miniature Phals tend to be the easier Phals to grow because of the Phal equestris or Phal pulcherrima in their heritage. Both of these species are very durable in cultivation as well as in the wild.