FLORA OF VIETNAM Rubiaceae
Ophiorrhiza sp. Ha Giang Prov., Bac Me District., Phieng Luong commune, Phieng Luong village.
Primary evergreen broad- leaf forest on schist or limestone at elevation 1000-1135 m a.s.l.
Grows in soil humus, on slope of mountaine at elevation 1135 m a.s.l. around point 220 38′ 46.1″N;1050 18′ 0.34″E, 1153 m,
Herb , 70-80 cm in height, Flowers light- violet, very common
05 April 2014 CPC 7263 ( IMG 2172- 2178)
Coll.: N. Q. Hieu, N.T.Hiep, N.N. Hung, T.Q. Ngan, T.P.Tuan