FLORA OF VIETNAM
Rubiaceae
Ophiorrhiza sp.

Quang Tri Prov., Huong Hoa Distr., Huong Lap municipality, Cup village, around point 16°55′11”N 106°34′36”E.

Poor remnants of primary broadleaved evergreen forest on very steep slopes of river valley composed with stratified shale at elev. about 350 m a.s.l.

Undershrub 1-1.5 m tall in shady wet place. Flowers dull purple-violet. Not rare.

CPC 2897 8 May 2011
Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, P.V.The, N.T.Vinh.