Hoa Binh Prov., Tan Lac Distr., Bac Son Comm., Hay Duoi Vill., Dinh Bang Mt., around point 20 33′40″ N, 105 07′20″ E, 908 m a.s.l., limestone mt. In logged primary closed evergreen broad-leaved submontane forests, slope Epiphyte
CPC 577 23 Oct 2010 Coll.: NQ Hieu, PK Loc, NT Vinh, NS Khang & BV Sinh