Hoa Binh Prov., Tan Lac Distr., Bac Son Comm., HayDuoi Vill., Lan Khoai Mt., around point 20034′32″ N, 105006′55″ E, 900 m a.s.l., limestone mt., slopes of mt. In logged primary closed evergreen broad-leaved submontane forests Shrubs, scattered in completely logged forests. CPC 498 22 Oct 2010 Coll.: NT Vinh, PK Loc, NT Vinh, NS Khang & BV Sinh Funded by Contract between Center for Plant Conservation (CPC), Vietnam Union of Science and Technology Associations (VUSTA) and Foundation for Social Promotion of the Culture (FSPC)