FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp.

Thua Thien – Hue Prov., Nam Dong Distr., Thuong Lo Municipality, along Cha Mang stream, around point 16°07′52″N 107°43′49″E.

Primary evergreen broad-leaved lowland forest on very steep rocky stream slope composed with stratified shale at elev. 400-450 m a.s.l.

Terrestrial and lithophytic herb on steep shady rocky stream slope. Flowers white. Locally common.

HAL 11061 9 Apr. 2007.
Coll.: L.Averyanov, N.S.Khang, A.Averyanova, N.D.Phuong, L.V.Hung.