FLORA OF VIETNAM Magnoliaceae Manglietia aff. insignis (wall.) Blume Northern Vietnam, Ha Giang Prov., Yen Minh Distr., Du Gia municipality, Giang Chu D village (Du Gia Nature Reserve). Primary broad-leaved evergreen closed wet forest on very steep slopes and cliffs of rocky ridges and mesae composed with solid marble-like stratified limestone, around point 22°55?57? N, 105° 08?32?E,1852 m a.s.l. Evergreen tree up to 35m height, common in the slope or top mountain, Flower fragrant, tepal thin, smaller, narrowly, white, filament dark purplish. Different from CPC 279, CPC 288 from all inner tepals white. ( Correct from CPC 310) (DNA material, Photo. N.T.Hiep -DSC03814-DSC03815) CPC 310A 15 May 2010 . Collectors: N. Q.Hieu, N.T. Hiep, N. T. Vinh, H.V.Chung (Funded by Critical Ecosystem Partnership Fund-CEPF through FFI)