Nghe An Prov., Ky Son Distr., Nam Can Municipality, eastern slopes of Phu Xai Lai Leng mountain system.
Secondary broad-leaved open forest and secondary scrub on very steep clay laterite hill slopes on shale along road at elevation 650-750 m a.s.l. around point 19°13′21.9″N 104°15′04.0″E.
Climbing shrub or woody vine to 5 m long in open places. Flowers white, fruits red. Very common.