Asia-Tropical: Malaya present, G. Tahan present, Main Range present
Malesia: Malaya. Three collections from 1800 m on G. Tahan and two from Main Range.
This is intermediate between C. arthrotricha and C. multisora. One specimen from G. Tahan has the lower surface of rachis and costae densely covered with hairs almost 2 mm long, and a few on costules and veins.