FLORA OF VIETNAM
Rubiaceae
Ophiorhizza sp.?

Vietnam, Thua Thien – Hue Prov., A Luoi Distr., A Roang Municipality, Tra Lenh Forestry Department station, around point 16°04′38′'N, 107°29′10′'E.

Primary closed evergreen broad-leaved forest on very steep mountain slopes composed with shale and granite at elevation 700-800 m a.s.l.

Herb up to 0.5 m tall on stream slope. Flowers white. Locally common.

HAL 7180 20 April 2005.

Collectors: L.Averyanov, P.K.Loc, J.Regalado, T.V.Thao, N.T.Vinh.