FLORA OF VIETNAM
Rubiaceae
Ophyorrhiza sp.?

Vietnam, Nghe An Prov., Tuong Duong Distr., Tam Hop Municipality, Pa Lom village, around point 19°04′41″N 104°20′51″E at elevation 1400-1500 m a.s.l.

Submontane primary evergreen closed forest on very steep mountain slopes composed with stratified solid shale.

Lithophytic herb on vertical cliffs of rocky shady outcrops. Flowers white. Rare.

HLF 6928 24 March 2007.

Coll. Averyanov L., P.K.Loc, N.V.Trai, N.T.Vinh, N.D.Phuong, Averyanova A.
Grant from Henry Luce Foundation.