What is "chondrostylis"

Chondrostylis is a plant genus of the family Euphorbiaceae first described as a genus in 1897. It is native to Thailand, Peninsular Malaysia, Sumatra and Borneo.

1. Chondrostylis bancana Boerl. - Bangka, Kalimantan Tengah
2. Chondrostylis kunstleri (King ex Hook.f.) Airy Shaw - S Thailand, W Malaysia, Borneo, Sumatra