Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°39′36.7”N 105°54′55.7”E.
Remnants of short tall broad-leaved primary forest on rocky top of remnant mountain composed with highly eroded solid crystalline limestone at elevation about 612 m a.s.l.
Treelet 5-6 m tall on rocky mountain top. Very common. Co-dominant of short tall mountain top forest.
CPC 3798 a 26 July 2011 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.