Kham Mouan Prov., Bounlapha Distr., Nam Boua Sam village, Hinnam No Protected Area, Pu Pha Song Mt. composed by sandstone, around point 17°33′43.6”N 105°45′08.3”E.
Secondary evergreen broad-leaved forest on low mountain slope at elevation about 230 m.
Woody vine to 20 m long in open place along road. Fruits green.