Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, Bai Dinh village around point 17°45′28”N 105°46′14”E.
Very steep alluvial shale slope between highly eroded marble-like solid remnant limestone mountains at elevation 400-600 m a.s.l. On wet shady slope along small stream.
Shrub 2-3 m tall. Fruits black with blue tint. Occasional.
HAL 12174 4 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.