FLORA OF VIETNAM Magnoliaceae Manglietia grandis Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Tung Vai municipality, Ban Thang ( Thang Village), Ta Boc mountain, around point 230 03′ 18″ N , 1040 50′ 53″ E, 1307 m a.s.l. Limestone primary broad-leaved evergreen closed forest at elevation 1200- 1350 m a.s.l. Tree 20 m in tall. Flower with 9 tepals, thick, in three whole, 6 out tepals pink, 3 inner tepals white, 20 June 2014, CPC 7336 , DNA sample Coll.: T.Q. Ngan, T.M. Tuan