FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp.

N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Hong Municipality,
around point 18°34′06′'N, 105°11′40′'E. Primary broad-leaved evergreen
forest on steep mt slopes composed with granite along Khe Van stream
at elev 400-450 m a.s.l. Terrestrial herb up to 1 m tall on wet steep rocky stream slope.

Flowers white. Common.

HAL 5194 8 May 2004

Collectors: P.K.Loc, L.Averyanov, P.V.The, N.T.Vinh.