FLORA OF VIETNAM Rubiaceae Hedyotis sp. Northern Vietnam, Ha Giang Prov., Vi Xuyen Distr., Lao Chai municipality, Can Sao village (Tay Con Linh Nature Reserve). Primary broad-leaved evergreen closed forest mixed with semi- decidous forest dominated by Alnus nepalensis, Betula alnoides, Carpinus pubescens around point 22° 49′ 00′' N 104° 48′ 10′E, 1757 m a.s.l. near main field camp. Herb , common in soil humus , petal white ( photo: N.T. Hiep: DSC04061) CPC 366 20/5/2010 . Collectors: N. Q.Hieu, N.T. Hiep, N. T. Vinh, L.T.Khuynh (Funded by Critical Ecosystem Partnership Fund-CEPF through FFI)