Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, around point 17°41’14.3”N 105°53’28.9”E. Primary short evergreen broad-leaved mossy forest on tops and along ridge edge composed with solid crystalline limestone at elevation 700-750 m a.s.l. Treelet 4-6 m tall. Fruits dark violet, turning black. Common. Important forest co-dominant.