Sort of...sp. Kalimantan is very closely related to callistophylla, and as such, overseas it is called sp. aff. callistophylla from Kalimantan.

Thanks aurorawa. That helps clarify things for me.

The David Liddle catalog in about 2007 or 08 listed the sp Kalimantan as the "nicest" of the callistophyllas. At that time the cutting for it was 27.50. It was the costliest hoya cutting in that catalog that year. Lol